Has anyone tried updating to BRC1 excluding the AP file and using the home csc? I know I can update and then reroot flashing the original engineering boot tar (as stated above) but I'm feeling lazy heh.
I've flashed my phone probably ten different times in the last couple of days and don't want to go through the trouble of setting things back up. It took me a while to get to the combo of files and firmware to a point where it was stable and not dropping root or getting the binary is occupied issue.
Actually, eff it :laugh:. I'll try to upgrade and report what happens. If it gets stuck on the Samsung boot screen (like I think it will), I'll have to do it again anyway.
Also, thanks to all who've contributed to this thread. Until a couple of days ago, it had been many moons since I flashed the last custom rom on my T-Moblie G1.
---------- Post added at 02:26 AM ---------- Previous post was at 01:32 AM ----------
I had roughly the same problem after flashing the current no carrier G935UUEU4BRD1 BL, AP, and CSC firmware files and the T-Mobile modem CP file. Got stuck on the Samsung boot screen.
edit: So I got it to root on BRD1 with the AP left out and a Home CSC file and it was pretty stable for about 2 hours. And then it rebooted on its own and got stuck at the samsung boot screen and eventually lost all its battery life and turned off.
But then I happened upon
https://xdaforums.com/tmobile-s7-edge/how-to/5-12-17-stable-method-g935u-bqd2-quick-t3605516
And it seemed to worked for BRD1.
Thanks to
@qwewqa for finding it and
@purotijuana for doing the steps.
I started from a fresh install of all the SM-G935U BRD1 non-carrier using the T-Mobile CP file instead of the non-carrier version (from
https://www.sammobile.com/firmwares/galaxy-s7-edge/SM-G935U/) and let it sit for an hour to settle.
Bought the Package Disabler Pro and wiped data/disabled the Chameleon package. It is com.samsung.sprint.chameleon but it showed as 'Chameleon' in the list. So search for that instead of the actual package.
Did a wipe of cache (have to leave system to keep the package disabled), then flashed the engineering boot and got it to reboot, and then let it sit again for a bit. I was able to use the Samsung_G935_QC_Eng_Boot_Root_v2017-08-29.TAR with no problems this time.
Then I ran the Samsung_Security+OTA_Disabler_(BillA_v2018-01-01).BAT from
@billa (thanks!) and then Samsung_G93x_QC_CF-SU_v2.82_2018-02-01_SSU+MGK.BAT from
@jkruse (thanks!) with the fingerprint fix and a CPU governor tweek, and then the SU (since Magisk doesn't work with the locked bootloader).
File links for the engineering bootloader and the security and root bats are at
https://xdaforums.com/showpost.php?p=75418504&postcount=2527 along with
@billa's steps.
Then wiped cache again.
Everything looks good so far. its been sitting for a couple hours with no reboots.
I'm not sure how stable it is or what the battery life looks like. Its 2:30 am and I need to sleep now. I'll post another edit tomorrow.
Second edit: root is stable so far. I shut the phone off overnight so I could watch it.
No reboots in the last 6 hours.
Root is staying rooted.
Phone has zero lag so far. This BRD1 firmware is excellent.
Battery life is pretty good. It's dropping about 3% per hour with CPU governor set to on demand. I played around with the other governor settings and none made any difference.
Over all I'm very pleased.