Huawei CHM-U01 - Why Does My Phone Receive no Signal after I Activated the Function of Enabling Only 4 G Data Service; When I am Playing Music Using the Player that Comes with My Phone, My Phones Signal Status Changes to no Service. What Can I Do; My Phones Speaker, Receiver, and Headset Cannot Function Properly. What Can I Do; I Cant Use My Phones Data Service to Access the Internet. What Can I Do

HUAWEI CHM/CHC Smartphone FAQs
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3.27 Why does my phone receive no signal after I activated
the function of enabling only 4G data service?
This issue is not applicable to versions outside China. This issue is found in the China
Telecom version only.
3.28 When I am playing music using the player that comes
with my phone, my phone's signal status changes to no
service. What can I do?
Update your phone to the latest version. This is a network compatibility issue caused by the
Qualcomm software baseline.
3.29 My phone's speaker, receiver, and headset cannot
function properly. What can I do?
Update your phone to the latest version. This is a compatibility issue on the Qualcomm 8916
platform of the Qualcomm software baseline.
3.30 I can't use my phone's data service to access the
Internet. What can I do?
Update your phone to the latest version. This is a compatibility issue on the Qualcomm 8916
platform of the Qualcomm software baseline.
3.31 My screen does not respond to touches when I am
using the camera? What can I do?
Update your phone to the latest version. This is a compatibility issue on the Qualcomm 8916
platform of the Qualcomm software baseline.
3.32 The photos are blue or green if I take them with flash
turned on? What can I do?
Update your phone to the latest version. This is a compatibility issue on the Qualcomm 8916
platform of the Qualcomm software baseline.