Disclaimer:
- Firstly, I'm not responsible for your phone is bricked or whatever happens. This version is a tested. Perform a NANDROID BACKUP of ur current first first.
Requirements:
- You must be on B170
- Update Zip Files
- Battery should be above than 70%
- Firstly, check your firmware version. If it is already B188 then you don't need this tutorial.
- If it is lower than B170 then Update to B170 first
- Backup your all personal data.
- Make a folder in your SD-Card or Internal Memory
- Rename it to dload and Place the downloaded update.zip (rename it to update.zip) in that folder
- Go to Settings > Update.
- Tap on the menu button and select Local Update
- There will be a file named C432B188
- Tap it and perform update
- You have to be patient
- After it is completed, your phone will be rebooted automatically
- Congratulations you're now on B188
- Enjoy & Cheers
Download:
Download Update Zip File | Mirror
Download Apk + Data: