I purchased a Redmi K30 from China, and it did not come with Google services. I attempted to install Google services from a third-party source, but it was missing some essential components, such as parental controls. Consequently, I decided to install an EU ROM.
The process was rather intricate, so I've documented the procedures here in case they might be helpful.
background knowledge
-
there are 2 partitions in your phone
- recovery partition: contain tools to install the android os
- system partition: where the android os resides
-
TWRP: a 3rd party recovery tool
- can override the stock recovery program
- allow you to install 3rd party android ROM, eg. EU ROM
- optionally install to the recovery partition, replace the stock recovery program
-
fastboot mode
- enter by long press volume down and power button
- for unlock the phone, flash recovery partition... etc
-
fastboot tools
- program to flash the recovery partition with TWRP
- or directly run TWRP without flashing the original recovery partition
fastboot mode ≠ fastboot tools
tools download
- First thing first: check the code name of your phone eg. Redmi K30 = phoenix
- xiaomi phone unlock tool + pc driver (pc only) https://en.miui.com/unlock/download_en.html
- fastboot tools (mac/pc) https://provider.xiaomi.eu/tools/fastboot.zip
- TWRP (recovery image, model specific) https://bit.ly/3ZITelV
- EU MIUI rom (model specific) https://bit.ly/45fMmNU
unlock the phone (pc only)
- enable dev mode on the phone
- enable OEM unlocking and USB debugging
- install phone driver on PC
- apply phone unlock from xiaomi, using the unlock tool
- ⚠️ wait 7 days ⚠️
- don't press apply again within 7 days otherwise it will reset the waiting time‼️
- after 7 days, unlock the phone
- boot into fastboot mode (long press volume down & power button)
- unlock with the xiaomi unlock tool
run TWRP (mac/pc)
- boot the phone to fastboot mode (volume down + power) and connect to computer
- rename the TWRP image to
recovery.imgand put it in the same folder with fastboot binary in terminal, run
fastboot boot recovery.img-
(optional) flash the recovery partition with TWRP
- do if you want to replace the stock recovery program for good
- easier to re-install or change the android os in future
-
copy the EU rom to phone's root directory
- you may not see the phone in computer before boot to TWRP
- mac: use android file transfer
- pc: use file manager
- disconnect phone from computer
install custom ROM
- in TWRP home, press install
- select the rom image(zip file), slide to install
- press wipe cache
- back several times to TWRP home
- press wipe > format data
press reboot system (if no response after 3mins, press power button to reboot)
done 🎉
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