I searched for “Symphony I95 4G SC9832E B1 B3 B8 factory firmware” and found a reliable file on a firmware archive (not naming sites, but it was a 780MB PAC file for Spreadtrum’s ResearchDownload tool).
Flashing completely wipes internal storage. Back up all photos, contacts, and personal accounts. symphony i95 4g b1 b3 b8 flash file