5

Hard reset simply wipes user data and puts the phone back in the OOBE (Out-Of-Box Experience, i.e. initial setup) state. It will not affect the operating system or firmware versions. You will remain on your current build of W10M. To reset all the way back to the factory OS version, you would need to re-flash the phone using something like the Windows Device ...


3

I'm not sure about resetting a phone using the hardware buttons during boot, but when you initiate a reset from the Settings → System → About menu, you can choose whether or not to also erase the SD card (by default that option is unchecked). If you want to be 100% sure, though, just remove the SD card from your phone for the duration of the reset ...


2

You can use the Windows Device Recovey Tool. According to Microsoft it works with BLU devices, It works on Acer, Alcatel, BLU, HTC (One M8 and 8X), LG, Lumia, NEO, UniStrong, VAIO and Yezz phones running Windows Phone 8 or later. Previously I have used this tool to recover my phone after it was struck in an update loop (in the gears icon). I hope you ...


2

When you hard-reset, it'll ask you if you want to wipe the SD card too (assuming you didn't remove the card first). Don't wipe the card. After hard-reset, the OS will default to storing maps on internal storage. Go to Settings -> System -> Offline maps` and tell the phone to store offline maps on the SD card, then exit Settings. You may also need to restart ...


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