HUAWEI Android Smartphone 
H891L FAQs 
3 System settings and update 
Huawei Proprietary and Confidential           
Copyright © Huawei Technologies Co., Ltd. 
 
 
 
 
The figures are for your reference only. The actual screens may vary. 
3.7 What data will be erased if I restore my phone to its 
factory settings? 
Restoring your phone to the factory settings erases all your personal data from the phone 
storage, including information about your email accounts, system and application settings, 
and installed applications.   
3.8 How do I update my phone? 
 
 
Back up important data, such as your contacts, messages, and call log, before the update.   
Before the update, make sure your phone has Internet access.   
Go to Settings, touch Updates >System updates >Online update, and follow the onscreen 
instructions to complete the update.