Upgrade Samsung Galaxy S10 5G from 1.19.1-s (A12) to 3.2-t

[piero]

you are in good situation, as according to https://samfw.com/firmware/SM-G977B “E-HWC1” is the last ever published SamsungOS, so :

@piero

If answers to 1 and 2 are the same, you can have a go for dirty upgrade !

@piero

you have several options

1. download the file on the phone, go to “→ settings → system updater” and use the feature called “locale update” (if you have it in the “3 dot menu” at top right of the screen).

or

2. download the file on the phone, reboot the phone into the recovery mode and use “apply update” then “from internal storage” (if your “recovery mode” have the feature).

or

3. download the file on a SDcard, reboot the phone into the recovery mode and use “apply update” then “from External SDcard” (if your “recovery mode” have the feature).

or

4. Universal Method, download the file on a computer, boot the phone into the recovery mode and use “apply update” then “from ADB” :

@TheKindOne

communication between the Linux PC and the device.

in recovery mode type : adb devices
in fadtbootd mode type : fastboot devices