TCL 408 Service Manual

Service Manual TCL Communication Technology Holdings Ltd.
Rev.: 1.0
TCL 408_T507D1_Service Manual V1.0
Page: 16/30
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.
9 Disassembly and reassembly
9.1 Disassembly tools
You may use the following tools during the disassembly and reassembly procedure:
Plastic Plectrum
Anti ESD Tweezers
Plastic Spudger
Screws driver
9.2 Disassembly Process
Note：The complete disassembly guide is described as below for your reference, you can
selectively (except disassembly and assembly method which needs to be followed carefully) do
some of those steps according to the spare part which you need to replace.
➢ Follow is the complete disassembly process of TCL 408.
Step 1. Power off the device, remove SIM tray and Battery cover.
Step 1.1
Power off the
device ,remov
e the SIM
tray ,cover
electrostatic
protective film
on the screen.

TCL 408 Specifications

General

Color name	Midnight Blue
Form factor	Bar
Product color	Blue
Screen shape	Flat
Pixel density	269 ppi
Display diagonal	6.6 \
Display brightness	400 cd/m²
Display resolution	720 x 1612 pixels
Native aspect ratio	20:9
Contrast ratio (typical)	1000:1
Processor model	MT6762
Processor family	MediaTek
Processor frequency	1.5 GHz
Processor boost frequency	2 GHz
RAM capacity	4 GB
Compatible memory cards	MicroSD (TransFlash)
Maximum memory card size	512 GB
Internal storage capacity	64 GB
Rear camera type	Dual camera
Front camera type	Single camera
Rear camera flash	Yes
Maximum frame rate	30 fps
Rear camera pixel size	0.7 µm
Front camera pixel size	1.12 µm
Rear camera sensor size	1/2.55 \
Rear camera lens elements	3-element lens
Rear camera aperture number	1.8
Front camera aperture number	2
Second rear camera pixel size	1.75 µm
Second rear camera sensor size	1/5 \
Video capture resolution (max)	1920 x 1080 pixels
Rear camera resolution (numeric)	50 MP
Second rear camera lens elements	5-element lens
Front camera resolution (numeric)	8 MP
Second rear camera aperture number	2.4
Rear camera field of view (FOV) angle	79.4 °
Front camera field of view (FOV) angle	77.5 °
Second rear camera resolution (numeric)	2 MP
Second rear camera field of view (FOV) angle	88.8 °
4G standard	-
3G standards	HSPA+
SIM card type	NanoSIM
Wi-Fi standards	802.11a, 802.11g, Wi-Fi 5 (802.11ac), 802.11b, Wi-Fi 4 (802.11n)
Bluetooth version	5.1
SIM card capability	Dual SIM
Mobile network generation	4G
Subscription type	No subscription
USB version	2.0
USB connector type	USB Type-C
Headphone connectivity	3.5 mm
Talk time (3G)	- h
Battery capacity	5000 mAh
Platform	Android
Operating system installed	Android 12
Audio formats supported	MP3, AAC, AWB, Vorbis, WAV, HE-AAC, HE-AAC v2, OGG, OPUS, FLAC, MIDI, AMR
Video formats supported	VP8, H.264, VP9, MPEG2, H.265, MPEG4, H.263
Repairability index	8

Weight and Dimensions

Depth	8.99 mm
Width	75.4 mm
Height	164.66 mm
Weight	190 g