diff --git a/scripts/west_commands/runners/__init__.py b/scripts/west_commands/runners/__init__.py
index 000cdf1dc03..70298105c77 100644
--- a/scripts/west_commands/runners/__init__.py
+++ b/scripts/west_commands/runners/__init__.py
@@ -73,6 +73,6 @@ def get_runner_cls(runner):
     for cls in ZephyrBinaryRunner.get_runners():
         if cls.name() == runner:
             return cls
-    raise ValueError('unknown runner "{}"'.format(runner))
+    raise ValueError(f'unknown runner "{runner}"')
 
 __all__ = ['ZephyrBinaryRunner', 'get_runner_cls']
diff --git a/scripts/west_commands/runners/blackmagicprobe.py b/scripts/west_commands/runners/blackmagicprobe.py
index c0391e8bb15..2699943acc0 100644
--- a/scripts/west_commands/runners/blackmagicprobe.py
+++ b/scripts/west_commands/runners/blackmagicprobe.py
@@ -170,12 +170,11 @@ class BlackMagicProbeRunner(ZephyrBinaryRunner):
 
         command = (self.gdb +
                    ['-ex', "set confirm off",
-                    '-ex', "target extended-remote {}".format(
-                        self.gdb_serial)] +
+                    '-ex', f"target extended-remote {self.gdb_serial}"] +
                     self.connect_rst_enable_arg +
                    ['-ex', "monitor swdp_scan",
                     '-ex', "attach 1",
-                    '-ex', "load {}".format(flash_file),
+                    '-ex', f"load {flash_file}",
                     '-ex', "kill",
                     '-ex', "quit",
                     '-silent'])
@@ -192,20 +191,18 @@ class BlackMagicProbeRunner(ZephyrBinaryRunner):
         if self.elf_file is None:
             command = (self.gdb +
                        ['-ex', "set confirm off",
-                        '-ex', "target extended-remote {}".format(
-                            self.gdb_serial)] +
+                        '-ex', f"target extended-remote {self.gdb_serial}"] +
                         self.connect_rst_disable_arg +
                        ['-ex', "monitor swdp_scan",
                         '-ex', "attach 1"])
         else:
             command = (self.gdb +
                        ['-ex', "set confirm off",
-                        '-ex', "target extended-remote {}".format(
-                            self.gdb_serial)] +
+                        '-ex', f"target extended-remote {self.gdb_serial}"] +
                         self.connect_rst_disable_arg +
                        ['-ex', "monitor swdp_scan",
                         '-ex', "attach 1",
-                        '-ex', "file {}".format(self.elf_file)])
+                        '-ex', f"file {self.elf_file}"])
         self.check_call_ignore_sigint(command)
 
     def bmp_debug(self, command, **kwargs):
@@ -213,13 +210,12 @@ class BlackMagicProbeRunner(ZephyrBinaryRunner):
             raise ValueError('Cannot debug; elf file is missing')
         command = (self.gdb +
                    ['-ex', "set confirm off",
-                    '-ex', "target extended-remote {}".format(
-                        self.gdb_serial)] +
+                    '-ex', f"target extended-remote {self.gdb_serial}"] +
                     self.connect_rst_enable_arg +
                    ['-ex', "monitor swdp_scan",
                     '-ex', "attach 1",
-                    '-ex', "file {}".format(self.elf_file),
-                    '-ex', "load {}".format(self.elf_file)])
+                    '-ex', f"file {self.elf_file}",
+                    '-ex', f"load {self.elf_file}"])
         self.check_call_ignore_sigint(command)
 
     def do_run(self, command, **kwargs):
diff --git a/scripts/west_commands/runners/canopen_program.py b/scripts/west_commands/runners/canopen_program.py
index ccf35609bc5..169eb827a0e 100644
--- a/scripts/west_commands/runners/canopen_program.py
+++ b/scripts/west_commands/runners/canopen_program.py
@@ -151,8 +151,8 @@ class CANopenBinaryRunner(ZephyrBinaryRunner):
         if status == 0:
             self.downloader.swid()
         else:
-            self.logger.warning('Flash status 0x{:02x}, '
-                                'skipping software identification'.format(status))
+            self.logger.warning(f'Flash status 0x{status:02x}, '
+                                'skipping software identification')
 
         self.downloader.enter_pre_operational()
 
@@ -172,7 +172,7 @@ class CANopenBinaryRunner(ZephyrBinaryRunner):
         status = self.downloader.wait_for_flash_status_ok(self.timeout)
         if status != 0:
             raise ValueError('Program download failed: '
-                             'flash status 0x{:02x}'.format(status))
+                             f'flash status 0x{status:02x}')
 
         self.downloader.swid()
         self.downloader.start_program()
@@ -234,7 +234,7 @@ class CANopenProgramDownloader:
         try:
             self.ctrl_sdo.raw = cmd
         except Exception as err:
-            raise ValueError('Unable to write control command 0x{:02x}'.format(cmd)) from err
+            raise ValueError(f'Unable to write control command 0x{cmd:02x}') from err
 
     def stop_program(self):
         '''Write stop control command to CANopen object dictionary (0x1f51)'''
@@ -262,7 +262,7 @@ class CANopenProgramDownloader:
             swid = self.swid_sdo.raw
         except Exception as err:
             raise ValueError('Failed to read software identification') from err
-        self.logger.info('Program software identification: 0x{:08x}'.format(swid))
+        self.logger.info(f'Program software identification: 0x{swid:08x}')
         return swid
 
     def flash_status(self):
diff --git a/scripts/west_commands/runners/core.py b/scripts/west_commands/runners/core.py
index 80d1be9f7bf..33e3ea5491e 100644
--- a/scripts/west_commands/runners/core.py
+++ b/scripts/west_commands/runners/core.py
@@ -481,7 +481,7 @@ class ZephyrBinaryRunner(abc.ABC):
         self.cfg = cfg
         '''RunnerConfig for this instance.'''
 
-        self.logger = logging.getLogger('runners.{}'.format(self.name()))
+        self.logger = logging.getLogger(f'runners.{self.name()}')
         '''logging.Logger for this instance.'''
 
     @staticmethod
@@ -709,8 +709,7 @@ class ZephyrBinaryRunner(abc.ABC):
         This is the main entry point to this runner.'''
         caps = self.capabilities()
         if command not in caps.commands:
-            raise ValueError('runner {} does not implement command {}'.format(
-                self.name(), command))
+            raise ValueError(f'runner {self.name()} does not implement command {command}')
         self.do_run(command, **kwargs)
 
     @abc.abstractmethod
diff --git a/scripts/west_commands/runners/dfu.py b/scripts/west_commands/runners/dfu.py
index 920e9079d9e..30f895e0806 100644
--- a/scripts/west_commands/runners/dfu.py
+++ b/scripts/west_commands/runners/dfu.py
@@ -23,11 +23,11 @@ class DfuUtilBinaryRunner(ZephyrBinaryRunner):
         self.dev_id = dev_id # Used only for error checking in do_run
         self.alt = alt
         self.img = img
-        self.cmd = [exe, '-d,{}'.format(dev_id)]
+        self.cmd = [exe, f'-d,{dev_id}']
         try:
-            self.list_pattern = ', alt={},'.format(int(self.alt))
+            self.list_pattern = f', alt={int(self.alt)},'
         except ValueError:
-            self.list_pattern = ', name="{}",'.format(self.alt)
+            self.list_pattern = f', name="{self.alt}",'
 
         if dfuse_config is None:
             self.dfuse = False
diff --git a/scripts/west_commands/runners/esp32.py b/scripts/west_commands/runners/esp32.py
index f00e5378e7a..faaa2b047eb 100644
--- a/scripts/west_commands/runners/esp32.py
+++ b/scripts/west_commands/runners/esp32.py
@@ -132,6 +132,5 @@ class Esp32BinaryRunner(ZephyrBinaryRunner):
         else:
             cmd_flash.extend([self.app_address, self.app_bin])
 
-        self.logger.info("Flashing esp32 chip on {} ({}bps)".
-                         format(self.device, self.baud))
+        self.logger.info(f"Flashing esp32 chip on {self.device} ({self.baud}bps)")
         self.check_call(cmd_flash)
diff --git a/scripts/west_commands/runners/intel_cyclonev.py b/scripts/west_commands/runners/intel_cyclonev.py
index 3431763ee71..b249d3657f0 100644
--- a/scripts/west_commands/runners/intel_cyclonev.py
+++ b/scripts/west_commands/runners/intel_cyclonev.py
@@ -240,10 +240,10 @@ class IntelCycloneVBinaryRunner(ZephyrBinaryRunner):
                       pre_init_cmd)
         temp_str = '--cd=' + os.environ.get('ZEPHYR_BASE') #Go to Zephyr base Dir
         gdb_cmd = (self.gdb_cmd + self.tui_arg +
-                   [temp_str,'-ex', 'target extended-remote localhost:{}'.format(self.gdb_port) , '-batch']) #Execute First Script in Zephyr Base Dir
+                   [temp_str,'-ex', f'target extended-remote localhost:{self.gdb_port}' , '-batch']) #Execute First Script in Zephyr Base Dir
 
         gdb_cmd2 = (self.gdb_cmd + self.tui_arg +
-                   ['-ex', 'target extended-remote localhost:{}'.format(self.gdb_port) , '-batch'])	#Execute Second Script in Build Dir
+                   ['-ex', f'target extended-remote localhost:{self.gdb_port}' , '-batch'])	#Execute Second Script in Build Dir
         echo = ['echo']
         if self.gdb_init is not None:
             for i in self.gdb_init:
@@ -295,16 +295,16 @@ class IntelCycloneVBinaryRunner(ZephyrBinaryRunner):
                       pre_init_cmd)
 
         gdb_attach = (self.gdb_cmd + self.tui_arg +
-                   ['-ex', 'target extended-remote :{}'.format(self.gdb_port),
+                   ['-ex', f'target extended-remote :{self.gdb_port}',
                     self.elf_name, '-q'])
 
         temp_str = '--cd=' + os.environ.get('ZEPHYR_BASE') #Go to Zephyr base Dir
 
         gdb_cmd = (self.gdb_cmd + self.tui_arg +
-                   [temp_str,'-ex', 'target extended-remote localhost:{}'.format(self.gdb_port) , '-batch']) #Execute First Script in Zephyr Base Dir
+                   [temp_str,'-ex', f'target extended-remote localhost:{self.gdb_port}' , '-batch']) #Execute First Script in Zephyr Base Dir
 
         gdb_cmd2 = (self.gdb_cmd + self.tui_arg +
-                   ['-ex', 'target extended-remote :{}'.format(self.gdb_port) , '-batch'])	#Execute Second Script in Build Dir
+                   ['-ex', f'target extended-remote :{self.gdb_port}' , '-batch'])	#Execute Second Script in Build Dir
 
 
         if self.gdb_init is not None:
diff --git a/scripts/west_commands/runners/jlink.py b/scripts/west_commands/runners/jlink.py
index 462a50bd222..42dc605a7d8 100644
--- a/scripts/west_commands/runners/jlink.py
+++ b/scripts/west_commands/runners/jlink.py
@@ -128,8 +128,7 @@ class JLinkBinaryRunner(ZephyrBinaryRunner):
                             help='custom gdb host, defaults to the empty string '
                             'and runs a gdb server')
         parser.add_argument('--gdb-port', default=DEFAULT_JLINK_GDB_PORT,
-                            help='pyocd gdb port, defaults to {}'.format(
-                                DEFAULT_JLINK_GDB_PORT))
+                            help=f'pyocd gdb port, defaults to {DEFAULT_JLINK_GDB_PORT}')
         parser.add_argument('--commander', default=DEFAULT_JLINK_EXE,
                             help=f'''J-Link Commander, default is
                             {DEFAULT_JLINK_EXE}''')
@@ -314,7 +313,7 @@ class JLinkBinaryRunner(ZephyrBinaryRunner):
             client_cmd = (self.gdb_cmd +
                           self.tui_arg +
                           [elf_name] +
-                          ['-ex', 'target remote {}:{}'.format(self.gdb_host, self.gdb_port)])
+                          ['-ex', f'target remote {self.gdb_host}:{self.gdb_port}'])
             if command == 'debug':
                 client_cmd += ['-ex', 'monitor halt',
                                '-ex', 'monitor reset',
@@ -423,7 +422,7 @@ class JLinkBinaryRunner(ZephyrBinaryRunner):
                    (['-nogui', '1'] if self.supports_nogui else []) +
                    self.tool_opt)
 
-            self.logger.info('Flashing file: {}'.format(flash_file))
+            self.logger.info(f'Flashing file: {flash_file}')
             kwargs = {}
             if not self.logger.isEnabledFor(logging.DEBUG):
                 kwargs['stdout'] = subprocess.DEVNULL
diff --git a/scripts/west_commands/runners/linkserver.py b/scripts/west_commands/runners/linkserver.py
index d299fa039cf..c1cb60272d0 100644
--- a/scripts/west_commands/runners/linkserver.py
+++ b/scripts/west_commands/runners/linkserver.py
@@ -78,8 +78,7 @@ class LinkServerBinaryRunner(ZephyrBinaryRunner):
                             help='if given, GDB uses -tui')
 
         parser.add_argument('--gdb-port', default=DEFAULT_LINKSERVER_GDB_PORT,
-                            help='gdb port to open, defaults to {}'.format(
-                               DEFAULT_LINKSERVER_GDB_PORT))
+                            help=f'gdb port to open, defaults to {DEFAULT_LINKSERVER_GDB_PORT}')
 
         parser.add_argument('--semihost-port', default=DEFAULT_LINKSERVER_SEMIHOST_PORT,
                             help='semihost port to open, defaults to the empty string '
@@ -147,7 +146,7 @@ class LinkServerBinaryRunner(ZephyrBinaryRunner):
                 gdb_cmd = ([self.gdb_cmd] +
                            self.tui_arg +
                            [self.elf_name] +
-                           ['-ex', 'target remote {}:{}'.format(self.gdb_host, self.gdb_port)])
+                           ['-ex', f'target remote {self.gdb_host}:{self.gdb_port}'])
 
                 if command == 'debug':
                     gdb_cmd += [ '-ex', 'load', '-ex', 'monitor reset']
diff --git a/scripts/west_commands/runners/mdb.py b/scripts/west_commands/runners/mdb.py
index 7374ec37f9e..deba50de1c5 100644
--- a/scripts/west_commands/runners/mdb.py
+++ b/scripts/west_commands/runners/mdb.py
@@ -67,7 +67,7 @@ def mdb_do_run(mdb_runner, command):
                 mdb_target += [mdb_runner.dig_device]
         else:
             # \todo: add support of other debuggers
-            raise ValueError('unsupported jtag adapter {}'.format(mdb_runner.jtag))
+            raise ValueError(f'unsupported jtag adapter {mdb_runner.jtag}')
 
     if command == 'flash':
         if is_flash_cmd_need_exit_immediately(mdb_runner):
@@ -84,7 +84,7 @@ def mdb_do_run(mdb_runner, command):
     elif 1 < mdb_runner.cores <= 12:
         mdb_multifiles = '-multifiles='
         for i in range(mdb_runner.cores):
-            mdb_sub_cmd = [commander] + ['-pset={}'.format(i + 1), '-psetname=core{}'.format(i)]
+            mdb_sub_cmd = [commander] + [f'-pset={i + 1}', f'-psetname=core{i}']
             # -prop=download=2 is used for SMP application debug, only the 1st core
             # will download the shared image.
             if i > 0:
@@ -100,7 +100,7 @@ def mdb_do_run(mdb_runner, command):
 
         mdb_cmd = [commander] + [mdb_multifiles] + mdb_run
     else:
-        raise ValueError('unsupported cores {}'.format(mdb_runner.cores))
+        raise ValueError(f'unsupported cores {mdb_runner.cores}')
 
     mdb_runner.call(mdb_cmd, cwd=mdb_runner.build_dir)
 
diff --git a/scripts/west_commands/runners/native.py b/scripts/west_commands/runners/native.py
index 37ab33d49e4..e1ea8fa1d4e 100644
--- a/scripts/west_commands/runners/native.py
+++ b/scripts/west_commands/runners/native.py
@@ -44,8 +44,7 @@ class NativeSimBinaryRunner(ZephyrBinaryRunner):
         parser.add_argument('--tui', default=False, action='store_true',
                             help='if given, GDB uses -tui')
         parser.add_argument('--gdb-port', default=DEFAULT_GDB_PORT,
-                            help='gdb port, defaults to {}'.format(
-                                DEFAULT_GDB_PORT))
+                            help=f'gdb port, defaults to {DEFAULT_GDB_PORT}')
 
     @classmethod
     def do_create(cls, cfg: RunnerConfig, args: argparse.Namespace) -> ZephyrBinaryRunner:
@@ -77,6 +76,6 @@ class NativeSimBinaryRunner(ZephyrBinaryRunner):
         self.check_call(cmd)
 
     def do_debugserver(self, **kwargs):
-        cmd = (['gdbserver', ':{}'.format(self.gdb_port), self.cfg.exe_file])
+        cmd = (['gdbserver', f':{self.gdb_port}', self.cfg.exe_file])
 
         self.check_call(cmd)
diff --git a/scripts/west_commands/runners/nios2.py b/scripts/west_commands/runners/nios2.py
index f4d5c939bbb..60120a5ac01 100644
--- a/scripts/west_commands/runners/nios2.py
+++ b/scripts/west_commands/runners/nios2.py
@@ -62,7 +62,7 @@ class Nios2BinaryRunner(ZephyrBinaryRunner):
             raise ValueError('Cannot flash; --cpu-sof not given.')
         self.ensure_output('hex')
 
-        self.logger.info('Flashing file: {}'.format(self.hex_name))
+        self.logger.info(f'Flashing file: {self.hex_name}')
         cmd = [self.quartus_py,
                '--sof', self.cpu_sof,
                '--kernel', self.hex_name]
@@ -70,8 +70,7 @@ class Nios2BinaryRunner(ZephyrBinaryRunner):
         self.check_call(cmd)
 
     def print_gdbserver_message(self, gdb_port):
-        self.logger.info('Nios II GDB server running on port {}'.
-                         format(gdb_port))
+        self.logger.info(f'Nios II GDB server running on port {gdb_port}')
 
     def debug_debugserver(self, command, **kwargs):
         # Per comments in the shell script, the NIOSII GDB server
@@ -100,7 +99,7 @@ class Nios2BinaryRunner(ZephyrBinaryRunner):
             gdb_cmd = (self.gdb_cmd +
                        self.tui_arg +
                        [self.elf_name,
-                        '-ex', 'target remote :{}'.format(gdb_port)])
+                        '-ex', f'target remote :{gdb_port}'])
             self.require(gdb_cmd[0])
 
             self.print_gdbserver_message(gdb_port)
diff --git a/scripts/west_commands/runners/nrf_common.py b/scripts/west_commands/runners/nrf_common.py
index 762bc8cb010..63a4f2c72f7 100644
--- a/scripts/west_commands/runners/nrf_common.py
+++ b/scripts/west_commands/runners/nrf_common.py
@@ -177,7 +177,7 @@ class NrfBinaryRunner(ZephyrBinaryRunner):
         elif len(snrs) == 1:
             board_snr = snrs[0]
             self.verify_snr(board_snr)
-            print("Using board {}".format(board_snr))
+            print(f"Using board {board_snr}")
             return board_snr
         elif not sys.stdin.isatty():
             raise RuntimeError(
@@ -190,10 +190,9 @@ class NrfBinaryRunner(ZephyrBinaryRunner):
         print('There are multiple boards connected{}.'.format(
                         f" matching '{glob}'" if glob != "*" else ""))
         for i, snr in enumerate(snrs, 1):
-            print('{}. {}'.format(i, snr))
+            print(f'{i}. {snr}')
 
-        p = 'Please select one with desired serial number (1-{}): '.format(
-                len(snrs))
+        p = f'Please select one with desired serial number (1-{len(snrs)}): '
         while True:
             try:
                 value = input(p)
@@ -299,7 +298,7 @@ class NrfBinaryRunner(ZephyrBinaryRunner):
 
     def program_hex(self):
         # Get the command use to actually program self.hex_.
-        self.logger.info('Flashing file: {}'.format(self.hex_))
+        self.logger.info(f'Flashing file: {self.hex_}')
 
         # What type of erase/core arguments should we pass to the tool?
         core = None
diff --git a/scripts/west_commands/runners/nsim.py b/scripts/west_commands/runners/nsim.py
index a69235d2569..e0daa5b6971 100644
--- a/scripts/west_commands/runners/nsim.py
+++ b/scripts/west_commands/runners/nsim.py
@@ -83,10 +83,10 @@ class NsimBinaryRunner(ZephyrBinaryRunner):
         config = kwargs['nsim-cfg']
 
         server_cmd = (self.nsim_cmd + ['-gdb',
-                                       '-port={}'.format(self.gdb_port),
+                                       f'-port={self.gdb_port}',
                                        '-propsfile', config])
         gdb_cmd = (self.gdb_cmd +
-                   ['-ex', 'target remote :{}'.format(self.gdb_port),
+                   ['-ex', f'target remote :{self.gdb_port}',
                     '-ex', 'load', self.cfg.elf_file])
         self.require(gdb_cmd[0])
 
@@ -96,7 +96,7 @@ class NsimBinaryRunner(ZephyrBinaryRunner):
         config = kwargs['nsim-cfg']
 
         cmd = (self.nsim_cmd +
-               ['-gdb', '-port={}'.format(self.gdb_port),
+               ['-gdb', f'-port={self.gdb_port}',
                 '-propsfile', config])
 
         self.check_call(cmd)
diff --git a/scripts/west_commands/runners/pyocd.py b/scripts/west_commands/runners/pyocd.py
index e632aee9fee..1eab6e3ffe0 100644
--- a/scripts/west_commands/runners/pyocd.py
+++ b/scripts/west_commands/runners/pyocd.py
@@ -100,11 +100,9 @@ class PyOcdBinaryRunner(ZephyrBinaryRunner):
         parser.add_argument('--frequency',
                             help='SWD clock frequency in Hz')
         parser.add_argument('--gdb-port', default=DEFAULT_PYOCD_GDB_PORT,
-                            help='pyocd gdb port, defaults to {}'.format(
-                                DEFAULT_PYOCD_GDB_PORT))
+                            help=f'pyocd gdb port, defaults to {DEFAULT_PYOCD_GDB_PORT}')
         parser.add_argument('--telnet-port', default=DEFAULT_PYOCD_TELNET_PORT,
-                            help='pyocd telnet port, defaults to {}'.format(
-                                DEFAULT_PYOCD_TELNET_PORT))
+                            help=f'pyocd telnet port, defaults to {DEFAULT_PYOCD_TELNET_PORT}')
         parser.add_argument('--tui', default=False, action='store_true',
                             help='if given, GDB uses -tui')
         parser.add_argument('--board-id', dest='dev_id',
@@ -132,7 +130,7 @@ class PyOcdBinaryRunner(ZephyrBinaryRunner):
         daparg = os.environ.get('PYOCD_DAPARG')
         if not ret.daparg_args and daparg:
             ret.logger.warning('PYOCD_DAPARG is deprecated; use --daparg')
-            ret.logger.debug('--daparg={} via PYOCD_DAPARG'.format(daparg))
+            ret.logger.debug(f'--daparg={daparg} via PYOCD_DAPARG')
             ret.daparg_args = ['-da', daparg]
 
         return ret
@@ -161,8 +159,7 @@ class PyOcdBinaryRunner(ZephyrBinaryRunner):
             fname = self.elf_name
         else:
             raise ValueError(
-                'Cannot flash; no hex ({}), bin ({}) or elf ({}) files found. '.format(
-                    self.hex_name, self.bin_name, self.elf_name))
+                f'Cannot flash; no hex ({self.hex_name}), bin ({self.bin_name}) or elf ({self.elf_name}) files found. ')
 
         erase_method = 'chip' if self.erase else 'sector'
 
@@ -179,12 +176,11 @@ class PyOcdBinaryRunner(ZephyrBinaryRunner):
                self.flash_extra +
                [fname])
 
-        self.logger.info('Flashing file: {}'.format(fname))
+        self.logger.info(f'Flashing file: {fname}')
         self.check_call(cmd)
 
     def log_gdbserver_message(self):
-        self.logger.info('pyOCD GDB server running on port {}'.
-                         format(self.gdb_port))
+        self.logger.info(f'pyOCD GDB server running on port {self.gdb_port}')
 
     def debug_debugserver(self, command, **kwargs):
         server_cmd = ([self.pyocd] +
@@ -207,7 +203,7 @@ class PyOcdBinaryRunner(ZephyrBinaryRunner):
             client_cmd = (self.gdb_cmd +
                           self.tui_args +
                           [self.elf_name] +
-                          ['-ex', 'target remote :{}'.format(self.gdb_port)])
+                          ['-ex', f'target remote :{self.gdb_port}'])
             if command == 'debug':
                 client_cmd += ['-ex', 'monitor halt',
                                '-ex', 'monitor reset',
diff --git a/scripts/west_commands/runners/silabs_commander.py b/scripts/west_commands/runners/silabs_commander.py
index 61287e62851..b952086a304 100644
--- a/scripts/west_commands/runners/silabs_commander.py
+++ b/scripts/west_commands/runners/silabs_commander.py
@@ -123,5 +123,5 @@ class SiLabsCommanderBinaryRunner(ZephyrBinaryRunner):
 
         args = [self.commander, 'flash'] + opts + self.tool_opt + flash_args
 
-        self.logger.info('Flashing file: {}'.format(flash_file))
+        self.logger.info(f'Flashing file: {flash_file}')
         self.check_call(args)
diff --git a/scripts/west_commands/runners/stm32flash.py b/scripts/west_commands/runners/stm32flash.py
index 782de1022b9..36c490b2424 100644
--- a/scripts/west_commands/runners/stm32flash.py
+++ b/scripts/west_commands/runners/stm32flash.py
@@ -98,19 +98,19 @@ class Stm32flashBinaryRunner(ZephyrBinaryRunner):
 
         if action == 'info':
             # show device information and exit
-            msg_text = "get device info from {}".format(self.device)
+            msg_text = f"get device info from {self.device}"
 
         elif action == 'erase':
             # erase flash
             #size_aligned = (int(bin_size)  >> 12) + 1 << 12
             size_aligned = (int(bin_size) & 0xfffff000) + 4096
-            msg_text = "erase {} bit starting at {}".format(size_aligned, self.start_addr)
+            msg_text = f"erase {size_aligned} bit starting at {self.start_addr}"
             cmd_flash.extend([
             '-S', str(self.start_addr) + ":" + str(size_aligned), '-o'])
 
         elif action == 'start':
             # start execution
-            msg_text = "start code execution at {}".format(self.exec_addr)
+            msg_text = f"start code execution at {self.exec_addr}"
             if self.exec_addr:
                 if self.exec_addr == 0 or self.exec_addr.lower() == '0x0':
                     msg_text += " (flash start)"
@@ -121,7 +121,7 @@ class Stm32flashBinaryRunner(ZephyrBinaryRunner):
 
         elif action == 'write':
             # flash binary file
-            msg_text = "write {} bytes starting at {}".format(bin_size, self.start_addr)
+            msg_text = f"write {bin_size} bytes starting at {self.start_addr}"
             cmd_flash.extend([
             '-S', str(self.start_addr) + ":" + str(bin_size),
             '-w', bin_name])
@@ -139,11 +139,11 @@ class Stm32flashBinaryRunner(ZephyrBinaryRunner):
                 cmd_flash.extend(['-v'])
 
         else:
-            msg_text = "invalid action \'{}\' passed!".format(action)
-            self.logger.error('Invalid action \'{}\' passed!'.format(action))
+            msg_text = f"invalid action \'{action}\' passed!"
+            self.logger.error(f'Invalid action \'{action}\' passed!')
             return -1
 
         cmd_flash.extend([self.device])
         self.logger.info("Board: " + msg_text)
         self.check_call(cmd_flash)
-        self.logger.info('Board: finished \'{}\' .'.format(action))
+        self.logger.info(f'Board: finished \'{action}\' .')
diff --git a/scripts/west_commands/runners/teensy.py b/scripts/west_commands/runners/teensy.py
index 85a8a05bbab..efd04692c9d 100644
--- a/scripts/west_commands/runners/teensy.py
+++ b/scripts/west_commands/runners/teensy.py
@@ -48,13 +48,13 @@ class TeensyBinaryRunner(ZephyrBinaryRunner):
             fname = self.hex_name
         else:
             raise ValueError(
-                'Cannot flash; no hex ({}) file found. '.format(self.hex_name))
+                f'Cannot flash; no hex ({self.hex_name}) file found. ')
 
         cmd = ([self.teensy_loader] +
                self.mcu_args +
                [fname])
 
-        self.logger.info('Flashing file: {}'.format(fname))
+        self.logger.info(f'Flashing file: {fname}')
 
         try:
             self.check_output(cmd)