FIX : GApps Error Code 70

Although it isn't anything serious, this alert means that something is preventing you from getting GApps on your device. Error 70 is very common while you're installing GApps, and it happens on most devices. This means that you don't have enough storage space available on the system partition.

• Reboot your Android device into TWRP Custom Recovery mode.
• After entering TWRP, take the Nandroid backup of your current ROM.
• Now, choose the Wipe option, from the main menu.
• On the next screen, swipe right to reset factory settings
• This will clear all the data of your device (That’s why it is recommended to take the backup of all of your files).
• Click on the Install option to flash the custom ROM.
• Now, go to the main menu again.
• Choose the Wipe option.
• Click on Advanced Wipe Option.
• Now, mark the box check in front of the System.
• And click on Repair or Change File System.
• Now, on the next screen, choose the Resize File System option.
• Now, swipe right to resize the system partition.
• If the process executes successfully, then proceed next steps otherwise go back and implement the above steps again.
• Now, install the Gapps package file.