1-First thing do a backup of your NVRAM with the help of MTK Droid tool because you gonna need it.
2-Then install the Update.app file to your phone by local update on About>System updates. Just put DLOAD folder with UPDATE.APP in the ROOT of your SDCARD.
Link to the Update.app ( https://docs.google.com/file/d/0B_ok...lwVzBESms/edit )
3- After update your phone will reboot, then delete the previous Dload folder.
4- Then download the stock recovery remover by same exact process you did in step 2.
download the stock recovery remover ( https://disk.yandex.com/public/?hash...u2mudSghoVw%3D )
Extract it and put in the root of your SDcard.
after the recovery remover, your phone will reboot when it will turn on root your phone first with SRS Root tool (Search it on Google)
5- Download the CWMR from here ( http://www.mediafire.com/download/pt...j/recovery.img ) ,then install MKTmobileUncle tool from playstore or download apk on phone, and then open the app and install recovery from mobileuncletool.
NOW YOU HAVE CWM RECOVERY ON YOUR PHONE
Now you can Flash Any ROM from here (http://www.needrom.com/phone-roms/huawei/serial-g/g610/)
Just download and install in CWM , well i know you all know how to flash a ROM i don't have you explain you.
And Last thing when you flash any ROM you'll get invalid IMEI , but don't panic because we have a solution.
Just attach your phone with your PC and turn USB debugging and install drivers (MT65xx Phone Drivers you can find it on internet, make sure your're using windows 7 because its drivers are incompatible with windows 8 and 8.1) and then Mkt Droid tool it will recognize your phone then press the ROOT button and then wait for a min then Press IMEI/NVRAM and then press restore and give the location of your previously backup of NVRAM it'll ask for two files after flashing just reboot and Enjoy
HIT THE THANKS BUTTONS
Download from the link below.
Do a NVRM backup before flashing and after flashing restore your backup do reply me ASAP whats working or not .
Hit a Thanks button for me.