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Service Manual

 

           

TCL Communication Technology Holdings Ltd. 

 

Rev.: 1.0 

TCL 30 5G _T776H _H1 Service Manual V1.0

 

Page: 1/20 

Confidential and proprietary information contained in this repair guide is subject to change without notice. 

Distribution, transfer, copy of any content or data in this document without the written permission of TCL is strictly prohibited.

 

 

TCL 30 5G 

T776H_H1 

 

 

Tech Black 

Dreamy Blue 

 

Warning: 

 

  All features, functions, specifications, and other product information provided in this document, 

including but not limited to the advantages, aesthetics, price, components, performance, availability 

and capacity of the product are subject to change without notice. 

  TCL will not be responsible for any damage to the product, injury or other safety issues caused by the 

result of repair by an unauthorized service provider, user repair or unprofessional product repair. 

  Any damage to the product resulted from an attempt to repair the product by any person or 3

rd

 party 

other than TCL authorized service provider will not be covered by warranty.   

Summary of Contents for T776H_H1

Page 1: ...unctions specifications and other product information provided in this document including but not limited to the advantages aesthetics price components performance availability and capacity of the pro...

Page 2: ...re two ways below for your reference 5 4 Factory Reset 6 4 1 Remove Google account before doing factory reset 6 4 2 Factory Reset 6 4 3 Recovery mode 6 5 Software Update 8 5 1 Software update by FOTA...

Page 3: ...a repair but this may exceed the value of the device depending on level of damage 7 If you need detailed diagnosis please contact TCL authorized Repair Center 8 Do not remove damage heat short circui...

Page 4: ...T776H1 Support micro SD cards up to 1TB Display 6 7 inch FHD U Notch screen Rear Camera 50 MP main camera PDAF 1 2 76 0 64um F1 85 field of view 74 4 5P lens 2MP macro camera FF 1 5 1 75 m F2 4 field...

Page 5: ...ol CPU Equal to Pentium 1 6 GHZ or above RAM 4GB or above Hard Disk 10GB or above Operation System Win7 Win8 Win10 USB port Internet connection with minimum internet speed of 8Mb s 3 4 Backup the user...

Page 6: ...account at initial setup after the factory reset and it will require you to login your previous signed in Google account It is recommended that you log out of the Google account Follow the below steps...

Page 7: ...tribution transfer copy of any content or data in this document without the written permission of TCL is strictly prohibited Click through steps 1 Power off the device long press Power Key Volume up k...

Page 8: ...evice s manufacturer Firmware runs in the background without any input from the user to make sure that the device s hardware runs properly Head to your device s Settings System Updates or System Updat...

Page 9: ...T776H _H1 Service Manual V1 0 Page 9 20 Confidential and proprietary information contained in this repair guide is subject to change without notice Distribution transfer copy of any content or data in...

Page 10: ...is subject to change without notice Distribution transfer copy of any content or data in this document without the written permission of TCL is strictly prohibited 5 Click OK and disconnect your phon...

Page 11: ...rohibited 7 Upgrade successfully 6 Function Test with Support Centre 1 Check that the Micro SD card are inserted correctly 2 Power on the product to launch the auto test 3 If the product displays inpu...

Page 12: ...T776H _H1 Service Manual V1 0 Page 12 20 Confidential and proprietary information contained in this repair guide is subject to change without notice Distribution transfer copy of any content or data i...

Page 13: ...your device until the battery level is at least 20 c Too many apps running in the background or the system cache not being cleared may cause a system lag Touch the Menu key at the bottom corner of scr...

Page 14: ...r If there are wipe the surface and try again c Try to re enter your fingerprint to your device by accessing Settings Security biometrics Fingerprint d Try to reset or update your device 7 5 What shou...

Page 15: ...b Close large power consumption applications such as music chatting applications GPS application 3D gaming video streaming etc c Reduce the brightness of the screen to lower the temperature d Avoid u...

Page 16: ...1_ Service Manual V1 0 Page 16 20 Confidential and proprietary information contained in this repair guide is subject to change without notice Distribution transfer copy of any content or data in this...

Page 17: ...776H _H1_ Service Manual V1 0 Page 17 20 Confidential and proprietary information contained in this repair guide is subject to change without notice Distribution transfer copy of any content or data i...

Page 18: ...1_ Service Manual V1 0 Page 18 20 Confidential and proprietary information contained in this repair guide is subject to change without notice Distribution transfer copy of any content or data in this...

Page 19: ...776H _H1_ Service Manual V1 0 Page 19 20 Confidential and proprietary information contained in this repair guide is subject to change without notice Distribution transfer copy of any content or data i...

Page 20: ..._ Service Manual V1 0 Page 20 20 Confidential and proprietary information contained in this repair guide is subject to change without notice Distribution transfer copy of any content or data in this d...

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