T-Mobile version back to stock - OnePlus 6T Questions & Answers

Flashed international conversion. Flashed havoc os. Want to go back to international to start fresh. How do I do it lol?

jamescable said:
Flashed international conversion. Flashed havoc os. Want to go back to international to start fresh. How do I do it lol?
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https://forum.xda-developers.com/oneplus-6t/how-to/t-mobile-6t-to-international-t3888307

Related

[Q] Stock GSM Rom?

Flashed a custom rom that ended up wiping the sdcard so I lost my TWRP backup. Any roms out there that I can flash to get back to stock? prerooted?
GiZiM said:
Flashed a custom rom that ended up wiping the sdcard so I lost my TWRP backup. Any roms out there that I can flash to get back to stock? prerooted?
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what n3 you got
jaythenut said:
what n3 you got
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T-Mobile US
GiZiM said:
T-Mobile US
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Can't find any for tmobile your going to have to root i think

G900F CM13 Starting Apps

I tried to install different versions of cm13 ( official and unofficial) on my galaxy s5. I did everything I was supposed to do but every time after I install or wipe the app optimisation starts and it stays stuck at starting apps. I'm very confused right now so any if anyone can help me I would be grateful.
matei8900 said:
I tried to install different versions of cm13 ( official and unofficial) on my galaxy s5. I did everything I was supposed to do but every time after I install or wipe the app optimisation starts and it stays stuck at starting apps. I'm very confused right now so any if anyone can help me I would be grateful.
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Me 2 Have This Problem !!
Me too. I think is because of new 6.0.1 bootloader/cp
oia12344321 said:
Me too. I think is because of new 6.0.1 bootloader/cp
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Totally agree with you.
Flash back to stock Lollipop to get the old BL back and try again
*Detection* said:
Flash back to stock Lollipop to get the old BL back and try again
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Thanks! Before odin-flashing back to Lollipop, may I just confirm: does the new bootloader allow downgrading this time? Thanks in advance.
spolarbear said:
Thanks! Before odin-flashing back to Lollipop, may I just confirm: does the new bootloader allow downgrading this time? Thanks in advance.
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I have the G900F and have successfully flashed the new MM BL, then back to the old LP BL and then back up to MM again, so yes as long as your bootloader is unlocked in the first place, shouldn't have a problem
Also flashed from LP to KK and back to LP again

Stock Eui?

Is their anyway to revert back to stock eui rom? Either 18s or 19s?
I just want to go back to straight out of the rom for the Le pro 3 Us variant x727 currently on Cm.13
I had a backup on twrp but it went missing is no longer available.
Does anyone have stock rom download or a twrp backup they would share with me?
Currently have root amd twrp and know my way around things so no need for stepa by steps help. Just need a way to revert back.
PeaKay.18 said:
Is their anyway to revert back to stock eui rom? Either 18s or 19s?
I just want to go back to straight out of the rom for the Le pro 3 Us variant x727 currently on Cm.13
I had a backup on twrp but it went missing is no longer available.
Does anyone have stock rom download or a twrp backup they would share with me?
Currently have root amd twrp and know my way around things so no need for stepa by steps help. Just need a way to revert back.
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Download stock recovery, then reboot to recovery, then use the Update system.
I have the stock recovery file that you can flash, if you wont find it.
jkipkangor said:
Download stock recovery, then reboot to recovery, then use the Update system.
I have the stock recovery file that you can flash, if you wont find it.
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Can you provide me with the link? I can manage from there on.
PeaKay.18 said:
Can you provide me with the link? I can manage from there on.
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Here, I could not attach cos I am not allowed to do so
https://mega.nz/#!AYsj3ZBI Key:
!da_yaLp6JHL54M8tG89fWdjAuToeMmaENLItHCG2I3Q
Thanks
PeaKay.18 said:
Is their anyway to revert back to stock eui rom? Either 18s or 19s?
I just want to go back to straight out of the rom for the Le pro 3 Us variant x727 currently on Cm.13
I had a backup on twrp but it went missing is no longer available.
Does anyone have stock rom download or a twrp backup they would share with me?
Currently have root amd twrp and know my way around things so no need for stepa by steps help. Just need a way to revert back.
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I am getting your phone tomorrow and was planning to go CM13. Whats the reason for going back to stock if you don't mind me asking.
zmanfarlee said:
I am getting your phone tomorrow and was planning to go CM13. Whats the reason for going back to stock if you don't mind me asking.
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Im just trying to dual boot between two roms since a group of friends and I are attending this pokemom go event and pokemom wont run unless fully stock
PeaKay.18 said:
Is their anyway to revert back to stock eui rom? Either 18s or 19s?
Does anyone have stock rom download or a twrp backup they would share with me?
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http://forum.xda-developers.com/le-pro3/how-to/le-pro-3-lex727-twrp-backup-eui-5-8-019s-t3504761
jkipkangor said:
Here, I could not attach cos I am not allowed to do so
https://mega.nz/#!AYsj3ZBI Key:
!da_yaLp6JHL54M8tG89fWdjAuToeMmaENLItHCG2I3Q
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Is this Chinese version or for USA 727 version? Le Eco has not released the USA 727 full software.
PeaKay.18 said:
Im just trying to dual boot between two roms since a group of friends and I are attending this pokemom go event and pokemom wont run unless fully stock
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Really. THat's interesting
Yes it is. But I just didnt want to go through the hassle of re root and unrooting eui. I rather just dual boot between eui and cm13
PeaKay.18 said:
Yes it is. But I just didnt want to go through the hassle of re root and unrooting eui. I rather just dual boot between eui and cm13
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Just use Rootswitch, much easier and you can toggle on the fly.
PeaKay.18 said:
Im just trying to dual boot between two roms since a group of friends and I are attending this pokemom go event and pokemom wont run unless fully stock
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How did that go? If you got it working, do you mind if I ask how so I can do it as well?
Well first of all ot worked flawlessly. I have a stock eui backup 20's and a custom slim rom. Long story short.
Boot into twrp
Select your stock backup
Flash everything, Data, System, Boot
Clear dalvik/cache
Reboot system
Takes about a good 10 minutes to fully boot up
If you look in other threads their is a couple backups of the stock 20's that you can use.

Science firmware site?

I have the unlocked U1 version and am trying to use this site to flash new beta Oreo. I don't see my variant listed. I only see the U and not U1. Is that the same file I should flash?
jhester1967 said:
I have the unlocked U1 version and am trying to use this site to flash new beta Oreo. I don't see my variant listed. I only see the U and not U1. Is that the same file I should flash?
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I would look other places if they arent clear enough
Thanks. I'm sure someone though is in the same position as me and hopefully had an answer
It's only for carrier S8's. They have no firmware for unlocked models.
You can flash QK5 through Odin and do it that way if you're on a US carrier and want bloat though.
jhester1967 said:
I have the unlocked U1 version and am trying to use this site to flash new beta Oreo. I don't see my variant listed. I only see the U and not U1. Is that the same file I should flash?
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I just updated my phone from that site and it works perfectly thru stocked recovery. They are all OTA updates so it will not wipe your phone. Only thing is when flashing from nougat to oreo change your themes back to pure stock or you will get system ui error, and have to factory reset
ninja75 said:
I just updated my phone from that site and it works perfectly thru stocked recovery. They are all OTA updates so it will not wipe your phone. Only thing is when flashing from nougat to oreo change your themes back to pure stock or you will get system ui error, and have to factory reset
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What version phone do you have?
jhester1967 said:
What version phone do you have?
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G955U locked to tmobile. I just updated last night to oreo beta 3
ninja75 said:
G955U locked to tmobile. I just updated last night to oreo beta 3
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That's awesome. My problem is I can't use the site apparently since I'm not on a carrier version. I'm using Unlocked U1 version.
jhester1967 said:
That's awesome. My problem is I can't use the site apparently since I'm not on a carrier version. I'm using Unlocked U1 version.
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It should work on all u.s. snapdragon s8+ it's a OTA
ninja75 said:
It should work on all u.s. snapdragon s8+ it's a OTA
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This is the version I'm running. Which update should I choose?

Flashing fastboot ROMs

Can we flash stock OOS fastboot ROMs on the T-MOBILE CONVERTED BOOTLOADER UNLOCKED version?
Wow, over 50 views and not one comment, gotta love XDA
jamescable said:
Can we flash stock OOS fastboot ROMs on the T-MOBILE CONVERTED BOOTLOADER UNLOCKED version?
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Yes!, Once converted it's basically a factory unlocked 6T with OOS , and from there you can install all sorts of ROMs.
OneDon said:
Yes!, Once converted it's basically a factory unlocked 6T with OOS , and from there you can install all sorts of ROMs.
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But, I heard that if you try, you can brick because some signature difference between T-Mobile modem/radio vs unlocked. Also, that it won't work because of that. Fastboot will throw errors
I have done it with success. I flashed the MSM 9.0.11 then fastboot flashed the current T-Mobile fastboot ROM and it worked fine.
Only issue was updates. With an unlocked bootloader T-Mobile will not get updates to flash.
Scott said:
I have done it with success. I flashed the MSM 9.0.11 then fastboot flashed the current T-Mobile fastboot ROM and it worked fine.
Only issue was updates. With an unlocked bootloader T-Mobile will not get updates to flash.
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Well flashing T-Mobile stock ROM would be fine. I am wondering if we can flash stock OOS with fastboot
jamescable said:
Well flashing T-Mobile stock ROM would be fine. I am wondering if we can flash stock OOS with fastboot
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Yes u can flash anything
Fastboot
Twrp
Anything
If u are OOS betaz u get ota updates. Not stable oos

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