[Q] S4 Running MH8 Baseband - Galaxy S 4 Q&A, Help & Troubleshooting

hello all,
I recently went back to the stock touchwiz rom from a custom rom, & received some updates that changed my baseband to mh8.
So ive been doing some research that leads me to believe that its not possible to flash to a custom rom after the update.
So i would would like to ask if it is possible to flash a custom rom or not?
& also ive found chainsfire auto root file which i know can root MH8. But still i dont want to risk it.
Ive got a S4 LTE locked on 02 uk
Thank You

Related

Would like advise on installing stock kitkat rom on my S4 i9505

Hi,
I would really appreciate some advice on installing the latest 4.4.2 update on my S4 i9505.
I've been using the MIUI CM rom the last few days but have found it too buggy (it's actually getting worse with updates).
I've also tried installing the Samy Delux rom, although it installs it just won't boot.
My phones boot loader is currently unlocked (no knox, early version of 4.1.2), I know if I install the new OEM rom it will install a secure bootloader.
Can someone please advise if my phone can be rooted if I install the latest rom for my phone and what the process is.
In the past I was able to install a stock rom pre-rooted, but from what I've read on forums that's no longer possible ??
Any advise would be appreciated.
you can root 4.4.2 but you will trip knox
and you can flash Pre-rooted Roms via Recovery

Flashing stock recovery I9505G for OTA updates

Hey guys,
Can you help out with a newbie question.
Im running android 4.4.2 on a rooted I9505 flashed with GPE edition rom. Im currently running I9505XXUEMKF baseband on a I9505 recognised as I9505G. On meteor network in Ireland.
My problem is Id like to get OTA updates, but these fail as I have TWRP installed. As I understand it this can be overcome by reflashing the stock recovery. Is this correct?
So my question then is how to know which stock recovery to flash? & can I do a backup of the current one I have installed in case something goes wrong?
Looking at this thread in development subform. & several are listed.
http://forum.xda-developers.com/showthread.php?t=2452046&nocache=1
Thanks
Paddy

[Q] Galaxy S4 Help please

Hi I used to own a iphone my galaxy s4 is my first phone, amd I have had it for about a year I have rooted it with kingo root and I am on att android 4.3 (i337) anyway I really really want to go back to stock I am on stock rom just rooted I cannot install custom roms I dont know why I might have to unlock my bootloader I have heard something like that but I just want the latest version of android can anyone way me through this I tried using odin I guess I couldnt figure it out andni have already used youtube for help no luck
Since you are on 4.3, there is no way to unlock the locked boot loader.
The locked boot loader prevents the stock recovery and kernel from being replaced.
This means no CM/AOSP/AOKP/GPE(google play edition) rom on the phone. Only touchwiz based Roms work. There is one GPE that works.
More info http://forum.xda-developers.com/showthread.php?t=2616221

HELP PLEASE ! want to upgrade from 4.2.2 to Lollipop

Hey Everyone!!
Thank you for looking at this thread.
In a nutshell, I got my i9505 galaxy s4 since June 2013, rooted it straight away when i got it, its got twrp recovery, and im on omega v9 4.2.2. Havent touched it since to date
It does not have knox.
Is there a way I can simply upgrade to something like cm 12.1 with 5.1.1 with everything working, by simply flashing latest cm with gapps using twrp, or will I have to upgrade bootloader, radio, get knox, or even just start over, flash stock samsung lollipop firmware with knox using odin, in order to do so?
I already a while back tried updating twrp to latest, and tried flashing cm with lollipop 5.0 when it first first came out, but only 2g was working, and signal would cut if i lock my phone. Im guessing this is due to bootloader/radio incompatibility, or maybe because it was early builds? Apparently i cant flash lollipop bootloader and radio over old 4.2.2 stuff without consequently installing knox? Is knox that bad? I heard its better to not have knox but if its the only thing stopping from lollipop then so be it.
Any help and advice much appreciated.
Hope to hear soon,
DJ
You can try upgrading just the modem to be able to flash an Android 5.x ROM, but it likely will not work and thus you will have to flash an updated bootloader as well. The good news is that since your S4 is out of warranty, whether you trip the Knox flag or not will not matter.
You should be able to flash the updated bootloader and radio without having to install an entire ROM, though you might want to download the latest ROM for your S4 anyway. There is a thread in I9505 General that has a list of bootloaders and modems that can be downloaded and flashed through Odin. From there, you should have no problem flashing the custom ROM of your choice through recovery.

help - G900A a t & t GS5

hi
i purchased a unlocked at&t phone off ebay and it works fine but its on 4.4.2. i want to root and install new custom firmware based on the S6/7 rom - newest android basically that'll work.
What rooting guide should i use and whats the best rom to get it flashed to a UK based rom?
If you are on 4.4.2, do NOT take the OTA update. updating to the official AT&T Lollipop gets you an encrypted bootloader that is unlockable.
look for guides based on 4.4.2. you'll want to install a recovery, then you can flash custom roms.

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