My Phone Can Stand By Normally, But The Screen Cannot Be Turned On. What Can I Do; Why Isn't The Backlight On; Trial Use" Is Found On My Phone's Network Access License. Does This Mean That My Phone Does Not Have The National Network Access - Huawei CHC-U03 Instructions Manual

HUAWEI CHM/CHC Smartphone FAQs
3.24 My phone can stand by normally, but the screen
cannot be turned on. What can I do?
Press and hold the power button (for less than 30s) until your phone vibrates or displays a low
battery level icon. If you press and hold the power button for more than 30s and your phone
has no response, connect your phone to a charger and try again.

3.25 Why isn't the backlight on?

Your phone does not come with the backlight.
3.26 "Trial use" is found on my phone's network access
license. Does this mean that my phone does not have the
national network access?
This issue is not applicable to versions outside China.
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