I have a G900A and a G900T (short story: couldn't live any longer with the locked bootloader on G900A so I bought a G900T to use on AT&T). It's possible to flash a custom recovery/ROM onto the G900A, but it seems that the bootloader will recognize things as not being signed on boot and will not allow booting.

However, if I were to flash the G900T's bootloader onto the G900A, I could potentially bypass this restriction. Since it's basically the same hardware, it should theoretically work. Not wanting a hard brick, is my logic correct? What facility examines if the bootloader is signed? Will it allow me to flash an unsigned bootloader in Odin? Is the bootloader truly the source of the locked problem?

  • That sounds thoroughly dangerous, but I don't know enough about that device's bootloaders to properly answer your question. – Matthew Read Mar 1 '15 at 19:39
  • It sounds incredibly dangerous, but the theory is interesting. I'll try out XDA developers. – Naftuli Kay Mar 2 '15 at 2:22

it wont let you flash even the correct stock boot loader, i'd give it a try now on my G900A with your Tmobile because i was using the phone on Tmobile anyway so i dont care and the phone is bricked at the moment anyway from trying to install another rom :(

  • Try it out, let me know. – Naftuli Kay Mar 10 '15 at 5:50
  • Also, I take no responsibility for anything you do. – Naftuli Kay Mar 10 '15 at 5:51

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