Help, unknown manufacturer bad rom
First I would like to apologize for the english, I'm using Google Translator. Well .. I bought a smartphone by AliExpress, the price that it cost I do not expect it to be a great gadget.
But the ad said it was a Lenovo s820t, never found on the internet about this model. In short, to get my smartphone soon noticed the box that it was not an original device. But still a good player. Using had few problems. Too bad it is very modified Android and failing to install some apps like Instagram.
There is a ROM that could use to leave my smartphone better?
***'I'm new to the forum and I can not post the pictures and screenshots of the phone. But theys are be att