Redmi 4, Bootloader Lock (Snap 425,16gb,2gb) - Xiaomi Redmi 4 Prime Questions & Answers

I have a Xiami Redmi 4 since a while it is runnin MIUI Global 8.2 Stable, 8.2.13.0.0 (MCECNDG) but since like 6 months no updates has arrived for me, i check and the bootloader is locked, and i see now that MIUI 9 is avaible, wich procedure i need to update this little guy.
1- Unlock bootloader
2- Twrp recovery
3- Flash new rom.
????????????
Or there is another way to do it the officialy way that way i can get OTA updates?
Pd: Already tried to unlock the bootloader and this happens "Your device isn't supported by Mi Unlock"
Saludos.

Related

will not flash package

I have a XRN3 SD straight from MI. Locked BL, It will not flash any official OR unofficial package either in MI PC suite or device updater. My MIUI VERSION IS 7.3 global 7.3.2.0.0(LHOCNDD). It also does not unlock after permission with unlocker. Can anyone help me unlock BL and root please.
RESOLVED this device was shipped with a vendor ROM. Very long process flashed official rom now good..
abonides said:
RESOLVED this device was shipped with a vendor ROM. Very long process flashed official rom now good..
Click to expand...
Click to collapse
it did not flashed any rom cause it has locked bl and you know locked bl mi phones cant flash roms in fasboot mode.you need to get a way to go into EDL mode.then only you can flash rom.and to unlock bl you need to be in china developer rom ok.hope this helps you
RESOLVED
This user is now unlocked boot loader,TWRP, and full system super su. Thanks to MIUI dev team and links......http://en.miui.com/thread-235865-1-1.html...
http://en.miui.com/thread-249666-1-1.html
CELEBRATION FREEDOM
This forum is for Redmi Pro :|
Dam I got excited lol so excited for this phone coming out !
Sent from my LGLS991 using XDA-Developers mobile app

TWRP & xiaomi.eu support?

When can we expect to see TWRP and xiaomi.eu support for the Pro?
Does anyone know if Xiaomi's bootloader unlocking tool supports the Pro?
I didn't see any mention of it on the MIUI forum, and I'd much prefer to linger here than there.
I think you will not get good support, because for that price you can get a MI5, with Snapdragon 820. The other thing is xiaomi need a snapdragon version for India, like by the redmi note 3.
TWRP and developer ROM EU is present today on xiaomi.eu!
Bootloader tool unlock of Xiaomi work great on this phone
vigorsolair said:
TWRP and developer ROM EU is present today on xiaomi.eu!
Bootloader tool unlock of Xiaomi work great on this phone
Click to expand...
Click to collapse
Can you help me to unlock bootloader
And Root the Phone?
Please...
3llawi said:
Can you help me to unlock bootloader
And Root the Phone?
Please...
Click to expand...
Click to collapse
Its not hard, you just need to go to "en . miui .com /unlock" and follow instructions.
When your phone is unlocked you can install TWRP with fastboot and then install custom ROMs or root.

MIUI 11 to MIUI 10 downgrade without unlocked bootloader

Hi,
do you know if there is any way to downgrade form Android 10 to Android 9 without unlocked bootloader on Mi 9T? I have read here that this is possible with miflashtool, but without any tutorial and there was also a comment that someone got bootloop so i wanted to ask again just to be sure about it.
Hope you can help me
You must unlock. No other safe way.

Switch firmware from Russian to Global

Hi guys.
I am new in Xiaomi devices and a little confuse about region firmware, lock and unlock bootloader in Xiaomi phones.
My Mi 9T firmware is latest russian firmware (QFJRUXM) and bootloader locked now (I do unlock bootloader before, but re-locked and back to official FW)
Can i unlock bootloader again, install global firmware with MiFlash Tool, then re-lock bootloader?
I hear only relock after switch from china to global or reverse can break device. Is this true?

Using Global ROM - Can i lock bootloader and install EU rom?

hi,
I have unlock bootloader and using global rom v12.0.4. I would like to
1. lock bootloader
2. and install fastboot EU rom v12.0.7
is it safe to do so? because McDonalds app is detecting unlock bootloader
jyaki2 said:
1. lock bootloader
2. and install fastboot EU rom v12.0.7
Click to expand...
Click to collapse
No, you can't, because the locked bootloader will detect which ROM is installed, so if a different ROM is installed with locked bootloader, it will only boot into the recovery and show "This MIUI version can't be installed on this device" error, then you will need to unlock the bootloader again.
Edit: According to @Eam31961, you can relock the bootloader with a different region of ROM installed on M3. I have also tried it, it works.
jyaki2 said:
because McDonalds app is detecting unlock bootloader
Click to expand...
Click to collapse
To use it with unlocked bootloader, you can install Magisk, and make sure to use Magisk hide, and also hide the Magisk manager with a random pacakge name in Magisk's settings.
cbw said:
NO, you can't, because the locked bootloader will detect which ROM is installed, so if a different ROM is installed with locked bootloader, it will only boot into the recovery and show "This MIUI version can't be installed on this device" error, then you will need to unlock the bootloader again.
To use it with unlocked bootloader, you can install Magisk, and make sure to use Magisk hide, and also hide the Magisk manager with a random pacakge name in Magisk's settings.
Click to expand...
Click to collapse
For me is different from your experience may be. My POCO M3 default ROM was JFEUXM which means EU Global Version then I switched to JFIDXM for Indonesian ROM with features of AutoCall Recording and Mi Message and bootloader reLocked and now it's Locked. With no problem.
Eam31961 said:
For me is different from your experience may be. My POCO M3 default ROM was JFEUXM which means EU Global Version then I switched to JFIDXM for Indonesian ROM with features of AutoCall Recording and Mi Message and bootloader reLocked and now it's Locked. With no problem.
Click to expand...
Click to collapse
Maybe POCO M3 is different, I didn't test a different region ROM on it.
Thank you for letting me know.
I got the error when I tried to install Indian ROM on my China version of Redmi 6 Pro.
cbw said:
Maybe POCO M3 is different, I didn't test a different region ROM on it.
Thank you for letting me know.
I got the error when I tried to install Indian ROM on my China version of Redmi 6 Pro.
Click to expand...
Click to collapse
Okay, bro, I got you. I read from another forum that accordingly, China ROM can't be re-lock to other Region ROM but you can revert back to China ROM and re-lock it.
I have now installed the Taiwan ROM (QJFTWXM) on my M3 which came with a global ROM (QJFMIXM), yes it works, I chose the option clean all and lock.
Now with the Taiwan ROM, I have MIUI dialer and message apps, call recording also works, and it does not have any issues.
Thank you @Eam31961 !

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