The stock Azumi Kirei A5 D firmware, ROM or flash file can be used to refresh the device model’s firmware. It can also help with clearing malware and viruses and well as correct general firmware crashes resulting from corrupted files.
For those familiar with MediTek based devices, the Azumi Kirei A5 D should not be an issue. It must however be noted that the MT6570 chipsets requires the SP Flash tool verions 5.1728 or higher. For which reason at least v5.1728 comes preincluded. Anyone requiring a step by step guide or just assistance on this particular device model can post here.