How to Downgrade Nord N10 T-Mobile?
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@Josele13 Having ADB installed makes it easier to boot into EDL mode in order to flash the correct ROM. If you read back through the telegram chat I helped someone install with diagrams for clarity.
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@Bunchy are you still around the forum? Did you have success downgrading?
I've just bought an N10 that turned out to be from T-Mobile (didn't expect this, as it's not a carrier where I live), and am debating whether I need to return it.The readme that @rubencarneiro mentions (and authored - many thanks!) says the T-Mobile firmware 10.5.8 version, BE88CB, is unsupported.
I presume the whole device is an issue, and that it's probably a bad idea to try to downgrade my T-Mobile phone to the Global BE88AA 10.5.7 firmware?It may still be possible for me to return this phone and hope to find a Global version.
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@wally you can install and it will work.
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@wally I have the N10 also...the Tmobile version....and Tmobile is not in NZ....but I have just finished unlocking the bootloader and installing Liineage on it. See these two sites!
https://xdaforums.com/t/how-to-unlock-the-t-mobile-bootloader.4256319/
https://wiki.lineageos.org/devices/billie/install/#installing-add-ons
I have a second Tmobile N!0 (you can pick them up quite cheaply on Ebay now....and when I get the unlock code from Tmobile
https://service.oneplus.com/in/search/search-detail?id=op588
I will try putting UBTouch on it. Alos OnePlus support are really helpful!
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@Dunbrokin I assume youare SIM unlocking first, before unlocking the bootloader?
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@MrT10001 Twas already network unlocked when I got it!
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@Dunbrokin That is a joy to behold when that happens. The number of devices I have got hold of that were "network unlocked" or "SIM free" but weren't is countless. I have about 10 pay as you go SIMs on the go to account for this (apart from UK O2 who are £$%$£)****)....
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@rubencarneiro Thanks for the tip! I had meanwhile procured a global version and have been daily driving it for a few weeks. Works great! Thanks sincerely for all your work.
I'll probably still convert the TMobile one.. even if I sell it, good to have more phones out there running UT.
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You can easily downgrade your Nord N10 by using the EDL flasher tool. First, you need to download the latest oxygen os firmware for your phone. Second, you need an EDL flasher tool like OPLUS EDL Tool or DeepSmartTool Unbrick Tool that supports free flashing.
Download the firmware and unzip it on your pc select the model from the tool. Select the raw programming file from the firmware folder. Turn off your phone and turn it into edl mode by holding volume up + down and insert the USB cable. Then connect into PC and start flashing with OPLUS EDL Tool or DeepSmartTool.
Download Nord N10 firmware - EDL firmware
Download OPLUS EDL Tool - OnePlus OPLUS EDL Tool
DeepSmartTool - Unbrick Tool for Qualcomm -
@barry00 You can, but the problem with the T-Mobile or Verizon variant from North America is unlocking the bootloader. For some stupid reason on our part, you need to get a token from OnePlus to unlock the bootloader, which you don't have to at the moment in the rest of the world.
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