Stock ROM are the ones which come by default in Android phones or tablets. These are customized versions of Android done by mobile companies to make their devices unique in looks and features with official firmware.
Official Lenovo A6 Note L19041 Stock Rom The firmware Can be used to Update / Downgrade / rollback firmware, solved Softbrick / Bootloop / Hang on logo, Hardbrick, Fix Unknown IMEI / Baseband, FRP Unlock, HardReset, Unroot, Back to stock original factory rom from custom…