Samsung Galaxy S3 Neo How To Update Bootloader?

Not correct! Firmware Download GT-I9301I for Region XEO (Poland)

H o w e v e r, /e/OS-R 1.10 will not work with this or other Stock firmware version because the device must be explicitly equipped with bootloader version I9301IXCUARA1 and MODEM/CP Version: I9301IXXUAPG1

Special requirements
Caution: Your device must be on bootloader version: GT-I9301I = I9301IXCUARA1 / … otherwise the instructions found in this page will not work. The current bootloader version can be checked by running the command getprop ro.bootloader in a terminal app or an adb shell from a command prompt (on Windows) or terminal (on Linux or macOS) window.

It’s not complicated at all! You are making it unnecessarily difficult for yourself by not following this /e/OS documentation

Install the only properly functioning stock firmware for region COS (Greece) via HEIMDALL or ODIN, then recovery-e-1.10-r-20230415279828-dev-s3ve3gjv.img and finally Custom ROM /e/OS-R e-1.10-r-20230415279828-dev-s3ve3gjv.zip.

There is nothing more to do. Happy flashing!

Orig. screenshots

s3neo3

s3neo1

s3neo2

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