[SM-T550 Samsung Tab A] Flash to Marshmallow! - Miscellaneous Android Development

So I was just doing some ROM testing with this old Samsung Tab A (US Variant, Smoky Titanium) and discovered something wild. I don't know if the US variant received the Marshmallow update but here it is anyway, I got a successful flash out of it without a factory reset.
http://downloadmirror.co/android/2zRG/T550XXU1BPE1_T550OXA1BPE1_XEF.zip
You can flash that with Odin 3.09 to get yourself to Marshmallow on this tablet. Change the system language back to Enlgish (US) and you have Marshmallow. (6.0.1) I am going to look into some root methods and attempt to put ViperMod on here at least. (Dolby Atmos edition)
I did some further testing and noticed better battery life and game performance. I will give KingRoot a shot to see if this version of Marshmallow is rootable. There isn't aworking TWRP for the Marshmallow build, but in Lollipop I disabled KNOX (KNOX WARRANTY VOID 0X1 (4). So I'm not sure if Ashryx' ROM had made the difference in allowing me to flash Marshmallow, but here's living proof:
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Would I brick my device if I flashed this on the S-Pen model (SM-P550)?
Also, your link is dead ...

Related

[Completed] [Q] Got stuck installing custom ROM and rooting on Galaxy S5

Hi all,
I am completely new to this, but I followed all the instructions while trying to install a custom ROM on my Samsung Galaxy S5 900F
- I installed Samsung's drivers for S5 in Windows 8
- I installed Odin 3.09
- I loaded G900F-LP-XXU1BOC7-BOOTLOADER.tar.md5 and G900F-LP-XXU1BOC7-MODEM.tar.md5 (BL and CP)
- I (thought) I rooted the device by using CF-Auto-Root-klte-kltexx-smg900f.tar.md5 through odin (AP)
- I tried installing the ROM Zephyr Lite from my SD card, that didn't work because my phone wasn't rooted I think
After that, I tried a different method for rooting so I used Odin to load g900h-cwm-recovery-6.0.4.7.tar
When I took a break, my friend booted up the phone and did a "factory recovery" thing from the settings menu and now it is stuck here (picture) and doesn't do anything else.
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Update: problem solved
Through all the great posts in the forum I was able to solve the problem myself. I got a new flashable recovery on there (I think) and rooted it, got the really cool XtreStoLite ROM on there and am now delighted to be running things super fast and smooth on the Galaxy S5 F900.
Thank you XDA community I shall be returning here to learn more!

G935A,G935T,G935P,G935V cross bootloader flash Chinese Version ,and support ALL band

http://bbs.romup.com/forum.php?mod=viewthread&tid=80587&extra=page=1
This post said the Their method is applicable to all of the Samsung machine locks BL.
It is said that ,the G935A,G935T,G935P,G935V cross bootloader flash Chinese Version ,and support ALL band ,all carrier,all
country..
And I get a S7 EDGE G935V, It unlock and flashed,I figure there will be the following
I think there are three possible ways to achieve this effect.
1.、use odin flash the eng kernel,and root. then use Z3X or other box to change the Bootloader Recognized identifier
2、Making a special data line, to achieve strong brush the other version of the firmware. (The other phone use this way..)
3、Modify other editions Samsung firmware identifier,To achieve the bypass bootloader to flash the other version.
There are many experts in the forum, I'm sure you'll find interesting
I hope you can share after a successful
Ignore my bad English...
I will update the picture after 3 hours..
by jnsday
2016-8-2
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Thats cool! Waiting for instructions!
Mod edit: Thread closed.
http://forum.xda-developers.com/verizon-s7-edge/how-to/g935v-cross-bootloader-flash-chinese-t3432190

Note Edge Bootloop

hello folks,
today at breakfast i dropped my phone on aprox 1 or 2 centimeter distance to the desk. it was working fine after that. but touchscreen feel kind a glitchy on youtube so i thought maybe a reboot would fix it.
soon as i reboot my phone, it entered to bootlop.
my phone was Rooted also had TWRP recovery. then i checked sammobile for firmware, unpaid servers are down untill tomorrow. then i found samfirm downloader which from here, downloaded my firmware for N915F with TUR settings.
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flashed it with odin, at first it worked. phone booted i did my settings etc. then i wanted to check if my custom recovery is gone or not (was gone). soon as i reboot my phone. it gone to bootlop again.
now i tryed to flash same rom again but cant pass the samsung loading screen. any idea to fix it?
update: problem solved after changing my battery. somewhat battery were causing it. ^^

Help needed: S8+ stuck on AQJ5 and not receiving OTAs since relocation

Hi folks.
I have a carrier unlocked S8+ purchased in Singapore. I received a few OTAs while I was there, but have since relocated to the US and I haven't received any OTAs since AQJ5, which was the October security patch. Manual check and the system says I have the latest, which I obviously don't, and even using Smart Switch doesn't trigger an update. I recently did a factory reset with my AT&T US sim installed hoping it might trigger an update, and tried without a sim too. Neither worked.
Complicating factor is I don't have access to a Windows machine to use Odin, I only have a Mac. I tried looking into Jodin3, but so far as I can tell that program is no longer operational.
I need help with any suggestions on how I can trigger an update, OR for someone to share an appropriate update.zip(s) which I can load to my phone from the SD Card to get me up to Oreo from AQJ5...
Model number: SM-G955FD (Exynos)
Carrier unlocked
Current software version: g955fxxu1aqj5/g955foxm1aqj5/g955fxxu1aqj5
Any suggestions from you all would be appreciated. I've spent weeks googling for ideas.
Thanks
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SM-G955W BL V4 root options

So the title pretty much sums it up. Running an S8+ unfortunately on bootloader 4 and I can't seem to find a working root option. Am I just SOL for now?
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Sent from my SM-G955W using Tapatalk
Yes
Any updates on how to Root S8+ Canadian variant sm-g955w with BRG4 firmware update from August?
I'm on the U variant so I'm not sure this will work for you. Your on snapdragon so it might, you have 2 options:
ROM w/Root & Exposed:
With this you'll be on nougat but it gives you root, but your battery will only charge to 80%, Same as the Partycyborg Rom.
ROM w/SafeStrap & Exposed
With this you'll be on Oreo but you won't have root in the ROM to run root apps, it's basically a stock rom. You will have access to system files though through TWRP to do whatever you want. To access the TWRP though you must use Odin to boot it into SafeStrap and then flash back the regular Bootloader once your done to boot back up
So each has a slight disadvantage...
Both of these are in the Verizon thread by developer @jrkruse and work up to Bootloader 5. Partycyborg is what most people used but only supports up to BLv3.
Links:
7.0 w/Root https://forum.xda-developers.com/verizon-galaxy-s8+/development/root-using-odin-modified-firmware-t3693790
8.0 w/SafeStrap https://forum.xda-developers.com/verizon-galaxy-s8+/development/rom-t3771206

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