The phone will usually reboot automatically. The first boot after a reset can take anywhere from 5 to 10 minutes, so be patient. Troubleshooting Common Errors 1. Tool Stuck on "Waiting for Device"
: Wipes user data and restores the device to original settings .
Modifying device partitions via diagnostic ports carries inherent risks. Wiping data via Diag mode can sometimes corrupt the IMEI configuration or NVRAM data if the wrong option is selected, leading to network signal loss. Always ensure the device battery is charged to at least 30% before starting, and understand that using third-party service tools may void your manufacturer warranty. sprd u2s diag reset tool
The Complete Guide to the SPRD U2S Diag Reset Tool: Fix Bootloops, FRP, and IMEI Issues
Connect the device to your PC via the USB cable while holding the buttons. The phone will usually reboot automatically
You might need the U2S Diag Reset Tool if:
Disconnect the phone from the USB cable. If it doesn't reboot automatically, hold down the button for 10–15 seconds to force a restart. The first boot after a reset may take several minutes as the system rebuilds its cache. Troubleshooting Common Errors Tool Stuck on "Waiting for Device" : Wipes
Select the exact COM port number displayed in your Windows Device Manager.
A factory reset deletes all personal data. If the phone is not completely locked out, back up your photos, contacts, and documents first. Step-by-Step Guide: How to Use the SPRD U2S Diag Reset Tool
