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Question How to flash gsi without twrp?

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wetito

Senior Member
Dec 12, 2014
902
177
49
reggio emilia
Xiaomi Mi A3
yes, via fastboot. the command is flash system system.img (replace system with the name of the rom). connect to nippon gsi telefram Channel. you can find a large choice of ported rom from xiaomi devices. but i'm not sure vendor are fully compatibile with mediatek. but you can try. flashing system don't damage the bootloader. so you can reflash easy stock in case of problems
 

Fire1511

Senior Member
Sep 4, 2019
253
59
yes, via fastboot. the command is flash system system.img (replace system with the name of the rom). connect to nippon gsi telefram Channel. you can find a large choice of ported rom from xiaomi devices. but i'm not sure vendor are fully compatibile with mediatek. but you can try. flashing system don't damage the bootloader. so you can reflash easy stock in case of problems
You tried it first???
 

wetito

Senior Member
Dec 12, 2014
902
177
49
reggio emilia
Xiaomi Mi A3
no... my phone is 3 days old. First i want to test miui. and i think this phone will recive miui 13. so at now i don't want to do heavy modding. only debloating. i like miui. aosp rom have bored me. on my old mi A3 i have try many gsi also android 12 beta. but mi a3 is not an mtk phone. so the only way to know if gsi works is try. i'm quite sure that many gsi will boot. i think the gsi much compatible are note 8 ported
 
Last edited:

Auswolf

New member
Aug 3, 2018
2
1
Installed android 12 gsi via dynamic system update. Requires a unlocked bootloader.

Note that my phone has dm-verify corrupt on boot, but still works. The dsu loader seems to be functional. You would have package custom gsi's to load via dsu.

But being able to duel boot std ROM + gsi ROM is a win :)
 
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Fire1511

Senior Member
Sep 4, 2019
253
59
Installed android 12 gsi via dynamic system update. Requires a unlocked bootloader.

Note that my phone has dm-verify corrupt on boot, but still works. The dsu loader seems to be functional. You would have package custom gsi's to load via dsu.

But being able to duel boot std ROM + gsi ROM is a win :)
Can you try to flash only gsi ROM?
 

wetito

Senior Member
Dec 12, 2014
902
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49
reggio emilia
Xiaomi Mi A3
if dsu work well, is the best safe way to try a12. great tips!!!!! sometimes gsi are not fully compatible with vendor. and in particular MTK devices are not modding phones. 99,9% of dev hare on snapdragons. maybe if xiaomi will launch more mtk devides out of China, the situation could change. But in my opinion MIUI don't need to be modded. only debloated and unlocked. Our phone sure will recive miui13 based on A12. I have tryed aosp beta, and the dynamic theming is a fantastic function. implemend on miui will make this rom super cool
 

wetito

Senior Member
Dec 12, 2014
902
177
49
reggio emilia
Xiaomi Mi A3

wetito

Senior Member
Dec 12, 2014
902
177
49
reggio emilia
Xiaomi Mi A3
use command fastboot flash system... or via twrp (twrp touch don't work but you can use twrp manager in pc terminal with phone connected via usb). internet is full of guide how to flash gsi via twrp. if you like aosp rom try android 12 beta. or dot os. new 5.2 is out. the system ui is very cool. and official gsi for all android go out soon
 
Last edited:

Fire1511

Senior Member
Sep 4, 2019
253
59
use command fastboot flash system... or via twrp (twrp touch don't work but you can use twrp manager in pc terminal with phone connected via usb). internet is full of guide how to flash gsi via twrp. if you like aosp rom try android 12 beta. or dot os. new 5.2 is out. the system ui is very cool. and official gsi for all android go out soon
Can you try I don't want to brick my phone
 

wetito

Senior Member
Dec 12, 2014
902
177
49
reggio emilia
Xiaomi Mi A3
oh no! my phone is 3 day old🤣 and i love miui. it's impossibile damage bootloader flashing a generic system img. you have alreagy unlock bootloader. if phone dont dont boot you can easily reflash stock via miflash. i will bootloader only when xiaomi will stops major updates. i post my news only for user that live aosp roms
 

Fire1511

Senior Member
Sep 4, 2019
253
59
oh no! my phone is 3 day old🤣 and i love miui. it's impossibile damage bootloader flashing a generic system img. you have alreagy unlock bootloader. if phone dont dont boot you can easily reflash stock via miflash. i will bootloader only when xiaomi will stops major updates. i post my news only for user that live aosp roms
My bootloader still not unlocked ._. but I bricked my phone just putting it in fastboot mode
 

Fire1511

Senior Member
Sep 4, 2019
253
59
it's obviously! before flash any non stock roms, bootloadermust be unlocked! this is the base of modding

it's obviously! before flash any non stock roms, bootloadermust be unlocked! this is the base of modding
My phone bricked after going to fastboot and DM verify corrupted
it's obviously! before flash any non stock roms, bootloadermust be unlocked! this is the base of modding
 

wetito

Senior Member
Dec 12, 2014
902
177
49
reggio emilia
Xiaomi Mi A3
My phone bricked after going to fastboot and DM verify corrupted
because you flashed a bad full rom with boitloader locked. i suppose a china rom. all guide are clear "Unlock bootloader before"

using a gsi is safe to prevent big damage. because flash only system partition. probably you didn't read guide with attention. modding must do carefully. i suggest you reflash stock in edl mode. is the only solution
 

Fire1511

Senior Member
Sep 4, 2019
253
59
because you flashed a bad full rom with boitloader locked. i suppose a china rom. all guide are clear "Unlock bootloader before"

using a gsi is safe to prevent big damage. because flash only system partition. probably you didn't read guide with attention. modding must do carefully. i suggest you reflash stock in edl mode. is the only solution
I don't flashed anything lol
 

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    Installed android 12 gsi via dynamic system update. Requires a unlocked bootloader.

    Note that my phone has dm-verify corrupt on boot, but still works. The dsu loader seems to be functional. You would have package custom gsi's to load via dsu.

    But being able to duel boot std ROM + gsi ROM is a win :)