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Rom Otel OS 3 MT6572 firmware flashtool

Rom stock: fix freeze logo, logo screen freeze, remove virus, unbrick…

Model: Otel OS 3 – Android: 4.4.2
Device CPU: MT6572
Device Brand: Otel
Device id: OS 3 EAGY_X5 20151020.182049
Device Software: X5_72KK_KK_3GW_B15_EMMC_32_4_QHD_SD_710EAGY_OS3
Device Project: ALPS.KK1.MP7.V1
Device Description: yuanda72_cwet_kk-user 4.4.2 KOT49H eng.root.1445336290 test-keys

Gapps include – No Rooted
Language support: Multilang

 

Rom version:
X5_72KK_KK_3GW_B15_EMMC_32_4_QHD_SD_710EAGY_Otel 20151013
X5_72KK_KK_3GW_B15_EMMC_32_4_QHD_SD_710EAGY_OS3 20151020
X5_72KK_KK_3GW_B15_EMMC_32_4_QHD_SD_710EAGY_OS3 20151030
X5_72KK_KK_3GW_B15_EMMC_32_4_QHD_SD_710EAGY_OS3 20151212
Rom: Links download for membership only

 

How to flash rom using SP Flash Tool
  • Download SP_Flash_Tool and Driver from here
  • Instal driver MTK65xx on PC computer.
  • Unpack FlashTools, and Click on Flash_tool.exe
  • Select "scatter-Loading" and search MT6xxx_Android_scatter.txt in ROM
  • Select "Download Only" or if upgrade "Firmware upgrade". If the phone is brick select "format all + download".
  • Click Download Button
  • Turn off your phone, 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.
  • Wait for flashing process to complete
  • And green circles display, Finish !
  • Reboot device and waiting (5 - 10 minutes) for the phone boot up.
  • If there was no cache or userdata inside the ROM folder, you might need to factory reset device from recovery after flash
Note.
  • Always backup device before flash new rom.
  • Follow the instructions on how to flash the device carefully below.
  • Make sure you are downloading the exact ROM of the device you want to flash because flashing a wrong preloader, will make the device completely dead.