Download Android Jelly Bean 4.2.2 stock firmware for Amoi A900W smartphone from here or here. Download another Amoi firmware from here.
Archive: Amoi-A900W-4.2.2
Firmware: Android Jelly Bean 4.2.2 stock
Build number: a900w-user 4.2.2 JDQ39 eng.liandc.1388992328 release-keys
Archive: Amoi-A900W-4.2.2
Firmware: Android Jelly Bean 4.2.2 stock
Model: Amoi A900W smartphone
Image file size: 311 MB
Platform: Mediatek MT6582Image file size: 311 MB
Build number: a900w-user 4.2.2 JDQ39 eng.liandc.1388992328 release-keys