Question

How to update Android 4.0 (Ice cream Sandwich) to Android 8.0 (Oreo)?​

Answer 1

Answer:

Explanation:

The you can check your device for update.

Go to Device's Settings;

About Phone > System Update;

Check for Update. The update should start downloading. The device will automatically flash and reboot into the New Android 8.0 Oreo.

Enjoy the wonderful Android 8.0 Oreo for its new features and powerful functions.

Answer 2

I had tried a lot but I can't....

You can update it only when ur phone have an option

system updates...

or

GO TO UR LOCAL CAFE OR MOBILE REPAIRING SHOP

AND ASK THEM TO REBOOT A NEW ANDROID IN UR PHONE ....

B4 DOING THIS YOU MUST KEEP ALL UR FILES AND CONTACT SAFE I MEMORY CARD ,SIM CARD

AND ON GOOGLE ACCOUNT