If the screen remains stuck after the steps above, you are likely facing a NAND Flash failure corrupt bootloader , which cannot be fixed at home. Preparation Checklist: Invoice/Receipt: Locate your proof of purchase. SN Number:
Xiaomi’s proprietary OS (Vela OS) runs verification checks on three core components: Xiaomi Smart Band 8 Please Contact After Sales Service
Try these solutions in order. Stop at any point if the message disappears or the device behaves erratically. If the screen remains stuck after the steps
| Region | Contact Method | Details | |--------|----------------|---------| | | mi.com/global/support | Live Chat (24/7) or Service Request Form | | India | Mi Home app → Profile → After Sales | In-person service center booking | | Europe | Email: service.eu@xiaomi.com | Include IMEI (found on original box) | | China | Mi Service WeChat Mini-Program | For Chinese SKU only | Stop at any point if the message disappears
If the error screen is stuck and you cannot access settings, you must contact official support:
Using a non-certified magnetic charger can send incorrect voltage spikes into the band’s power management IC (PMIC). Over time, this fries the protection circuit, forcing the "After Sales" warning.
A hard drop onto concrete or accidental crushing (e.g., under a dumbbell in the gym) can loosen the internal ribbon cable connecting the display to the motherboard. The band powers on but cannot communicate with its own screen controller.