Unlocking Bootloader - Xiaomi Redmi Note 4 Questions & Answers

Hey guys,I am new at this unlocking bootloader thing.
I have some questions .I applied for unlocking permission and they gave me permission after 10 minutes of applying.
1)I recently ugraded mui version 8.5.8.0(nougat) global stable.Can i unlock bootloader from this version?
2) Does servicing centre grant warranty after unlocking?
3)Do i have to wait for 7-10 days for unlocking as I have gotten permission by msg after a few minutes of applying ? Or I can unlock bootloader ri8 now.
4)Can my mobile be bricked while unlocking bootloader ? (I am not afraid of bricking though as xda is always there for us )

If your mi account is new and you bind it to the device
You must wait 72 hours and then you can unlock
You can unlock at any version
Your unlocking may be affect the warranty
You can lock the boot loader again after unlocking
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[Q] Problem about bootloader of SK17

Good day !
I have come across a situation of unknown bootloader of SK17 .
I found some shop in Hong Kong is selling some cheap SK17 (not sure if it is the same as SK17i) . I asked the shop keeper and they said that the bootloader is locked , but without SIM lock .
So , will someone confirm me if this situation is possible ? As I read some post in this form it indicate that locked bootloader is usually because it is branded , i.e. SIM locked . If it is SIM free version does it mean I can make the bootloader unlock ?
And , what if the system shows "Bootloader unlockable ? No" ? Is there any way to work around this issue to make the bootloader unlock ?
Thanks so much !
Rgds,
Kurz
Hi!
A simlock is something totally different to the bootloader´s lock.
No Simlock means that you can use any sim of any provider you like and who´s band is supported by phone´s hardware.
The bootloader ist locked by sony basically to prevent people from removing the sony Firmware even if it is not branded. A second issue is probably to prevent people from unlocking and playing with the firmware who do not know what they do.
Before the lock of the bootloader it was easy for everyone with one-click-tools or similar to root the phone. This could have led to many RMA procedures at Sony
But there must be a possibility to unlock it due to the terms of open source software.
So there is no need for you to unlock the bootloader as it takes any simcard anyway.
What the issue about sk17i sk17 and sk17a is, I do not know yet. But I´m curious about it
hi... how to know that your xperia mini pro unlock already in bootloader?
my rooting status is,
Bootloader unlock allowed: YES
is it already unlock in bootloader?? or not
It meens that it is be allowed to unlock your bootloader. It means not that your bootloader *is* unlocked.
Hi Poedel ,
Yes I understand SIM locked and Bootloader locked is different . But I wish to install 3rd party roms (CM7 rulez) , so I still wish to know how to unlock the bootloader .
So maybe I change a little bit about my question .
1) a sim unlocked device with locked bootloader (bootloader unlock allowed : no) cannot unlock due to the SIM lock . Then will it allow to unlock if the device change to SIM unlocked ?
2) Any method to work around the locked bootloader (bootloader unlock allowed : no)
3) Any way to unlock the bootloader if IMEI code cannot be used to extract the unlock code ? As I know some of the shop will use flash rom writer to wipe with another device firmware and IMEI will changes (it happens last time when I buy a X01HT) .
Thanks a lot !
Rgds,
Kurz
Sent from my Milestone using XDA App
mkmonkey said:
Hi Poedel ,
Yes I understand SIM locked and Bootloader locked is different . But I wish to install 3rd party roms (CM7 rulez) , so I still wish to know how to unlock the bootloader .
So maybe I change a little bit about my question .
1) a sim unlocked device with locked bootloader (bootloader unlock allowed : no) cannot unlock due to the SIM lock . Then will it allow to unlock if the device change to SIM unlocked ?
this is still confusing The simlock does not take care at all if there is a bootloader-lock or not. I never ask someone if I am allowed, definetly not mr. simlock
2) Any method to work around the locked bootloader (bootloader unlock allowed : no)
3) Any way to unlock the bootloader if IMEI code cannot be used to extract the unlock code ? As I know some of the shop will use flash rom writer to wipe with another device firmware and IMEI will changes (it happens last time when I buy a X01HT) .
Click to expand...
Click to collapse
okay, usually you'll go to the sony's dev site bootloaderunlockl.sonyericsson.com (don't know the correct sub, could be correct) and authenticated by your IMEI and email you'll get the unlock code. Without IMEI you won't be able to unlock. But even if you IMEI changed you can try the current IMEI. What I think is that Sony just saves the Email and IMEI into a mySQL Database to cope with the situation if your device enters RMA à la "you unlocked, your fault". It would be rather not the way that they look if your current IMEI really belongs to the device there. I would simply try it. BUT!
There is a post where a method is shown to root your ph0ne without unlocking the bootloader.
So here are both links:
rooting without unlocking not tested by me (even not yet read *covering*)
default way like I did it
Dear Poedel ,
Thanks , that's exactly what I wish to know .
So in worst case if bootloader is not going to unlock in normal way , I should use the test point function to bypass it and flash another room and firmware into it , and unlock the bootloader again ?
Thanks very much !
Regards,
Kurz
Sent from my Milestone using XDA App

What to do when brick phone with unofficial unlocked bootloader?

I had bricked my device 3 times and tried all method but non of the method works and I have to give my phone to mi care.
Is any one having solution for that.I am unlocking my bootloader unofficially.

unlocking 2 phones

So i have 2 mi phones redmi note 3(sd) and mi5
I had applied and got the permission to unlock the bootloader for rn3 now i want to unlock mi5 as well
How to do that coz if i try to go to unlock page it says i have the permission so wat to do now?
You can of course unlock as many phones as you want with your unlock permission enable Mi account, the only caveat being that you can unlock only one phone per 30 days. You must wait for 30 days after unlocking a phone to unlock another.
Cheers.
Thanks
I tried to unlock but stuck at 50?
I had unlocked rn3 2-3 mnths back
Tried unlocking mi5 yesterday
I just created a new Mi Account for the second phone...

relocked bootloader cant unlock again

i have got official permission to unlock. and i did . after 1 mth i flashed cm14.1 rom. so the bootloader again locked. now i cant unlock again. whenever i try to unlock via mi unlock it says your device has no permission to unlock....
pls helppppp
Check your driver installed properly or not. Try using a different 64 bit PC.

I got permission to unlock the bootloader but I can't

I got permission from mi to unlock the bootloader of mi note 4 Snapdragon variety
But when I'm try to unlocking​ my device bootloader it's going to 99% after that it's saying this account not bound with this device
Please help to unlock the bootloader plz frds
Hi, actually i had the same problem.
You just need to wait for a few more days as the request is updated in the Xiaomi servers.
That takes time
So be patient for a while
But I'm used different a/c to unlock the bootloader before 6 days that not worked. And I'm used new a/c to unlock today only also I got permission for that know

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