Avvio PRO 450


ROM Mobile Avvio PRO 450 – ROM Android 7.0


Official ROM Avvio Version: MT6737M_EMMC_Avvio_Avvio_Pro450_7_0_AvvioPro450_Colombia_Claro_V01

Gapps include – No Rooted

Language support : Multilang

Install ROM :

– Unpack FlashTools, and Click on Flash_tool.exe

– Select “scatter-Loading” and search MT6737M_Android_scatter.txt in ROM

– Wait file to be added into Flash Tool

– Select “Download Only” or if upgrade “Firmware upgrade”

– Turn off your phone, remove the battery (if the battery is removable) and replace it after some seconds (and don’t turn on the phone).

– Press “Download” button to start

– 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.

※Please make a backup of your device before installing or updating ROM

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