The UPDATE.APP file may be corrupted, or the dload directory is nested incorrectly. Ensure dload is in the root drive (e.g., E:\dload\UPDATE.APP ).
Trusted third-party sources (if official not available): huawei nxtal10 firmware link
If HiSuite fails, visit the → Search for “NXT-AL10 stock backup” → Look for a post by user “OldDroid” or “LastStandingDroid” – these are reliable. The UPDATE
Official firmware options (recommended): The UPDATE.APP file may be corrupted
C17 denotes the regional channel (China Unicom/Open Market). If your phone has C00 or C01, do not flash C17 firmware.
Some repair shops use the “dload” folder method. A reliable source for NXT-AL10 service ROMs is (a known Huawei firmware archive).