You can use MB3Editor to create mod firmware
1. Create modded firmware - Index - MB3Editor
Select default language for editing > Polish
✔️Translate Firmware? > English
✔️ Set default language?
✔️ Change number of notifications?
✔️ Use notifications fix? For languages...
you can create EN firmware too, just select translate to English
1. Create modded firmware - Index - MB3Editor
Select default language for editing > Polish
✔️Translate Firmware? > English
✔️ Set default language?
✔️ Change number of notifications?
✔️ Use notifications...