and btw with 6.1 softdevices there is nasty bug with internal flash writing so use 6.0.0 or fix it in your source, see https://github.com/espruino/Espruino/issues/2000#issuecomment-1538847838
this may actually be last thing to fix for 6.1.x S140 softdevices (the advertising bug is already fixed) so if you saw some improvement with 6.1.x it is worth fixing
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and btw with 6.1 softdevices there is nasty bug with internal flash writing so use 6.0.0 or fix it in your source, see https://github.com/espruino/Espruino/issues/2000#issuecomment-1538847838
this may actually be last thing to fix for 6.1.x S140 softdevices (the advertising bug is already fixed) so if you saw some improvement with 6.1.x it is worth fixing