Will factory reset unroot my ALCATEL 4015A 4016A?.I have performed a Factory Data Reset on ALCATEL 4015A 4016A.How will factory reset affect the software on ALCATEL 4015A 4016A?.Direct write part of memory(user can select).Erase part of the phone memory(user can select).SPFlash Tool - latest version Smart Phone Flash Tool.
5.x fixed a critical bug about SP Flash Tool 3.x where the SP Flashtool reads incorrectly the scatter file of some new mobile-based on MTK6582 (error: recovery partition is not flashable).
Too new version 5.xx is also compatible with 32bit Mediatek CPU ( MT65xx - ex. The new SPFlash Tool version 5.xx include the support of a new 64bit Mediatek CPU ( MT67xx - ex. ) SP Flash Tool is so powerful that you may install custom recovery even without root. And why should you use SP Flash Tool for restore? If you asking me, I'm happiest when I don't need to, but there are cases when it's the only solution because no matter how hard you brick your phone, as long as the preloader sits inside, you will be able to restore it to fully working state, way as opposite for custom recoveries which requires some working partitions ( recovery, boot. Exactly why everyone should have their own full backup made with SP Flash Tool. You can't use that from another phone, even if it's from the same manufacturer and model. You must note that some files like NVRAM are unit specific, they contain IMEI, SN and GSM calibration data. 
This SP Flash Tool is must have the backup option as this is the only way for You to make a complete backup of all partitions and block devices in your phone. If you are using format tools, don't ever format the preloader area. So, whatever you are doing, keep in mind that you must always have preloader.bin in your phone. If you don't have preloader.bin in your phone memory, you may have a hard brick that is unable to revive unless use jtag or board remains dead.
windows driver which is host-side part needed for DL/DA protocol utilized by SP Flash Tools.īoth are essential. preloader.bin which is installed in the first block of your device's eMMC chip - it's program which phone run after a cold start. As a result of this operation, you can backup and restore all parts of your NAND chip, and all partitions, not just Android and kernel specific ones such as boot, system, data, cache but also nvram, uboot, GSM radio and all other parts. It's deeper than normal Android flashing. What mean SPFlash Tool is a low-level flash tool SP Flash Tool is MediaTek's equivalent tool for low level flashing like Odin on Samsung devices or RK Batch Tool on RockChip SoC.
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