Download THL W200C Android 4.4 Kitkat firmware from here, here or from here. Archive name: ThL.W200C.156F.A1.KK.HD.EN.8P64.GC2235.MT6592MW.GST.20140702
FW version: ThL.W200C.156F.A1.KK.HD.EN.8P64.GC2235.MT6592MW.GST.20140702 – KOT49H – V1_WCDMA Archive file size: 382 MB
Config_version: V1.1.2Platform: MT6592 156FProject: bird92_cwet_a_kkGapps includedNo Root
Language support: Multilanguage
Installing the ROM- Unpack FlashTools, and Click on Flash_tool.exe- Select a the MT6592_Android_scatter.txt in ROM- Wait file to be added into Flash Tool- choose Option->USB Model,click USB Model –> Choose Option->DA DownLoad All->Speed->High Speed, click High Speed- Turn off your phone, remove the battery.- "Press F9 (hit Download button)" OR " if upgrade ROM Firmware->Upgrade "- and connect your phone into the computer via USB data cable.- The process will start and a red progress bar will appear after color purple, yellow.- And green circles display- Finish!- You can now safely disconnect your phone and turn it on.
ADS HERE !!!