CyanogenMod 13 is a free, community built distribution of Android 6.0.1 (Marshmallow) which greatly extends the capabilities of your phone. This is CM 13 for TECNO W4 Ported by Iyke.
•Your phone should have a custom recovery installed in order to install this Rom on your phone.
•We will be using Twrp Recovery for flashing this Rom
•This Rom will wipe out all your data. Make sure you backup all your data in your phone before proceeding.
•You are advice to backup your Imei with Mobile uncle before flashing the Rom
How To Flash The CyanogenMod 13 On Your Tecno W4
1. Place CyanogenMod 13 and Gapps at the root of SD card (not in any folder]
2. Boot into recovery, (Backup previous ROM, in case anything goes wrong]
3. Select WIPE, ADVANCED WIPE
Tick, SYSTEM, CACHES, DATA & Internal Storage I.e. phone
storage if u want to format phone. I recommend you format it. So before
flashing copy all your files from phone memory to SD.
5. After, the WIPING PROCESS, Press back to main menu
6. Select INSTALL, locate ROM on SD card and select.
7. When done, WIPE the CACHE AND DALVIK options at the left of your Screen.
8. Go back to main menu and select INSTALL to flash Gapps immediately. (Don’t wipe anything this time, just flash it in)
9. Flash SuperSu, if u want to root it.