Error Code 20091. - Xiaomi Redmi 5A Questions & Answers

I literally have no idea about how to get rid of this error. I'm pretty sure everyone knows about this error already so I was wondering if anyone could help me out with the bypassing thread made here on XDA or tell me an alternative for unlocking this damned phone.

You should have mentioned bootloader unlock error in thread.

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[Q] Trying to unlock bootloader, fails (too many links) and stays locked.

As the title suggest, I'm trying to unlock my bootloader but every time it fails because I have too many links. No idea what that means, but the more severe problem is that with other users the phone will be unlocked, but mine is still locked.. What should I do? Thanks in advance.

HTCdev Error 150

Hello,
I tried to unlock my HTC One M8's bootloader 5-6 times yesterday, and 2 times again today via HTCdev but couldn't (already did it successfully with an other M8 so I know how to do that).
Here's the message I receive everytime :
Unlocking Bootloader Failed!
Sorry it didn't work out. Here's why:
We're sorry, but it appears your attempt to unlock the bootloader on this device has failed. This could be caused by several factors including simple errors in the entry of the unlock token, problems with your device, or a lack of manufacturer support for the unlocking process. Please see the specific error code listed below, and try again if necessary.
Error Code: 150.
Error Reason: Extract Token Information Fail.
What's the reason ? Can someone help me ?
Thanks !
Is it a Verizon phone. If so, that is the reason.
Drunkula said:
Is it a Verizon phone. If so, that is the reason.
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No, no, it's an eastern european phone...
Mew789 said:
No, no, it's an eastern european phone...
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Searching around the net, it seems that not cutting & pasting the bin code exactly right is one cause for Error 150. Double and triple check you are doing it right. Although if you've already tried 7 times, I imagine that you've already checked this, or would have gotten it right at least once by now.
Is it possible the phone is a refurb, or otherwise used? One link (another device) stated you might get this error if the phone had its mainboard replaced at some point. In that case, it won't be possible to unlock the bootloader.
One other thought I had, the bin code is generated from the phone's IMEI. So if the IMEI was changed by a previous owner (such as a stolen phone), I would think it would result in an invalid bin code.

Firmware downgrades in to boot loop

hey guys, i need a little help here, i am trying to downgrade my firmware to .200 but my z5p keeps getting stuck in a boot loop and i have no idea how to proceed. I saw another thread with another user having similar issue but the solution offered didnt work for me, any help is appreciated. scratch that something worked...
now im getting "command not allowed" when i try to unlock bootloader, any help is appreciated
scratch that too, i did nto turn on oem unlock

Help me root this phone...

Hello. Im trying to root that sh*t but i dont know how to properly do it. I have the H815 model with 6.0 running. Can someone link me all the necessary stuff for that proccess? When i tried to unlock its bootloader, it asked me to type my "device id" along with the IMEI of my phone. what the heck is the device id and how i can find it? And after i unlock the bootleader, whats next??? Help me please because it starts to getting on my nerves.

BTV-W09 EMUI 4.1 unlock bootloader

I'm not having any luck unlocking the boatloader. I've read the instructions, apparently I need a code from Huawei to do it, but they stopped giving out codes... am I completely screwed? is there some other process?
davidmoore said:
I'm not having any luck unlocking the boatloader. I've read the instructions, apparently I need a code from Huawei to do it, but they stopped giving out codes... am I completely screwed? is there some other process?
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Unfortunately you posted in the wrong section ... I think you'll get help faster if your question is put in the right place, you are now on a development section and no one give much importance to requests like this. Thanks !
Use PotatoNV to reset a new unlock code.It's working and free

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