Huawei GAR-UL00, Faq

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14
System applications
14.1 What can I do if my phone repeatedly restarts and
doesn't respond even when I press and hold the power
button?
1. Make sure your phone is not out of battery. When you charge your phone, the charging
indicator blinks. Wait for a while and then try powering up your phone. (If your phone
allows you to back up the data, immediately back up the data in microSD card or in other
manners.)
2. If your phone can't detect your card, press and hold the power button for 10s to forcibly
restart your phone. Then, check whether the problem is solved.
3. Download complete ROM software package corresponding to your phone version from
the official EMUI website.
4. Decompress the software package in a dload folder. Save this folder in the root directory
of the microSD card using a card reader.
5. Power off your phone. Then, press the volume up, volume down, and power buttons
simultaneously. Your phone forcibly update the firmware and automatically powers on
after the updating is complete.
Alternatively, connect your phone to the computer using a USB cable. Press and hold the
power button and volume up button simultaneously for 10s. In one or two minutes, the phone
displays the
recovery screen. After it is connected to the Wi-Fi network, it downloads the
software packet and performs system update.
14.2 Why does my phone run slowly when the battery
level is low?
When your phone's battery level is less than 10%, to preserve the battery life, your phone's
performance will be restricted.