Pre Requirements To Install Cwm recovery Aquaris Bq 5.7 :-
First go to setting > about device or phone then click on build number and click on it 5 or 10 times then go back to setting there is a new option developer option. tap on it and enable usb debuging.
install the mobileuncle tools run it and grant it super user access. find the option Change Recovery (Recovery Update) and click on it
Now navigate to the folder where we copy the file or unload ZIP CWM 126.96.36.199 , select it, confirm its and we will have the Recovery Stock changed by this new amended Recovery.
To enter the new Recovery re-enter Mobileuncle MTK and click on the option Restart in Recovery mode.
The first time you access to this new Recovery make a backup of all our current system, that we will get from the option nandroid backup that is in Backup and Restore .