Replace the battery. It's definitely done. Be careful doing so as the battery is stuck down pretty good and removing it will rip the covering off. Check ifixit video for disassembly of your phone. Battery costs about 12-20US. I wired up a Galaxy S3 battery to use in the meanwhile. Phone still dies quicker than it should but I do get a few hours use. Walk with a battery pack for a quick charge. Lol.

Hello. I was able to get my phome working using an LCD screen from the MT7-TL1 model. You need to use the LCD controller chip number on the defective screen to find one that would work. The chip under the green sticker in the lower left corner of the broken screen said 1 on mine. I had bought the TL10 LCD also but that had a 2 on it and didnt work. Once I used an LCD screen with a 1 on the controller chip, it worked flawlessly. I used ebay for mine. Cost about 80$ US max because I got the frame also. It's about 60$ without the frame. Free shipping. Hope I helped you guys out.