Repair Manual for
Professional Repairer
This manual is intended ONLY for professional repairer who performs repair and professional
maintenance of mobile phones.
This manual is available in English only.
Notice:
A. Read the entire manual before any repairs. If you are not comfortable to perform the repairs as
instructed in this manual, please do not proceed.
B. All features, functions, specifications, and other product information in this document, including but
not limited to the price, components, performance, availability and capacity of the product are
subject to change without notice.
C. This repair manual is provided only for out-of-warranty repair. If the product is under warranty,
contact customer service before repairing it yourself or ordering a replacement part. Modification,
customization or alteration of software or hardware by anyone not authorized by the manufacturer
will void the warranty.
D. TCL is not liable for any damage to the product, any injury, or any other product safety issue
caused by repair attempt which does not follow the instructions or caused by any misunderstanding
or wrong manipulation/utilization of any tools or installations. TCL is not liable for any damage to
the product, any injury, or any other product safety issue caused by repair attempt using any tools
or installations not supplied or setup by TCL.
Rev.: 1.0
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 onetouch 4042S
T312D1
TCL onetouch 4042S_T312D1 Service Manual V1.0
Page: 1/25
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