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W610WUser Manual
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to the U disk root directory. Note that the U disk format should be FAT32.
Because of the W610W, the device does not supply the power externally, so the usb hub is needed to connect the
u-disk to the W610Wphone. And the Usb hub interface should be Type-C.
Picture 153 - reparation required for the U disk upgrade
Enter the upgrade mode step:
1)Keep the device turned off. Disconnect USB and press the red hang button to shut down. Note that if the UBS is
connected to the device, the device starts automatically after shutdown
。
2)Press the volume button and press the usb for about three seconds to release.
3)Success enters the upgrade mode, and the device displays the upgrade logo. At this time, the device will
automatically select the upgrade file in the U disk, and upgrade after finding, the device will automatically restart after
completion.
Note! If you mistakenly trigger the download mode, or enter the download mode to exit, you can long
press the red hang up button to restart.
13.9 Common Trouble Cases
Table 29 - Trouble Cases
Trouble Case
Solution
Device could not boot up
1. First consider the situation that the battery has been exhausted, and
charge the device. Please use the charger configured at the time of
purchase when charging.
2. If you see the phone enter "POST mode", it means that the phone
system is damaged. Please contact technical support to help you
restore the phone system.
Device could not register to a 1. Please check whether the phone is connected to the network. The phone