Attention pls gionee s5.5 users. This is an another stock rom of gionee S5.5. This stock rom is Awesome then your current rom. It is super high quality smoothly smooth. See yourself in YouTube. Search (Walton primo X3). Do not try to install through twrp. Flash using computer.
1. Download the stock rom first.
2. Extract and open the flash tool.
3. Choose firmware upgrade. And select scatter loading. Browse the mtk through your option. If you can't do it search YouTube ( how to flash gionee S5.5) its very easy. Do it through your computer. Thankyou. 