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TCL 408 Service Manual

TCL 408
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Service Manual TCL Communication Technology Holdings Ltd.
Rev.: 1.0
TCL 408_T507D1_Service Manual V1.0
Page: 6/30
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.
4 Factory Reset
Factory reset will reset your phone to restore it to its factory settings. This will delete all data including
files and downloaded apps. Please backup the user data before doing factory reset.
4.1 Remove Google account before doing factory reset
If Google account is not removed before doing the factory reset, it is not possible to setup the device
with another Google 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 to remove your Google account from the device.
You can go to “Settings”-> Accounts->touch your google account-> “REMOVE ACCOUNT”->touch
“REMOVE ACCOUNT”.
4.2 Factory Reset
You can follow the below steps to perform factory reset when the phone is powered on.
Go to main menu -> “Settings”-> “System”-> Reset”->“Erase all data (factory reset)”->Touch “Erase all
data” in the open window ->“Erase all data”.
4.3 Recovery mode
How to use: Long press “Power” Key + “Volume up” key in power off mode to enter recovery mode.
When to use: When you cannot start your handset or when there is something wrong during switch on
or when cannot charge.
Consumer personal data format: It will format consumer data, and the memory and settings of your
product will return as released from factory.

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TCL 408 Specifications

General IconGeneral
Color nameMidnight Blue
Form factorBar
Product colorBlue
Screen shapeFlat
Pixel density269 ppi
Display diagonal6.6 \
Display brightness400 cd/m²
Display resolution720 x 1612 pixels
Native aspect ratio20:9
Contrast ratio (typical)1000:1
Processor modelMT6762
Processor familyMediaTek
Processor frequency1.5 GHz
Processor boost frequency2 GHz
RAM capacity4 GB
Compatible memory cardsMicroSD (TransFlash)
Maximum memory card size512 GB
Internal storage capacity64 GB
Rear camera typeDual camera
Front camera typeSingle camera
Rear camera flashYes
Maximum frame rate30 fps
Rear camera pixel size0.7 µm
Front camera pixel size1.12 µm
Rear camera sensor size1/2.55 \
Rear camera lens elements3-element lens
Rear camera aperture number1.8
Front camera aperture number2
Second rear camera pixel size1.75 µm
Second rear camera sensor size1/5 \
Video capture resolution (max)1920 x 1080 pixels
Rear camera resolution (numeric)50 MP
Second rear camera lens elements5-element lens
Front camera resolution (numeric)8 MP
Second rear camera aperture number2.4
Rear camera field of view (FOV) angle79.4 °
Front camera field of view (FOV) angle77.5 °
Second rear camera resolution (numeric)2 MP
Second rear camera field of view (FOV) angle88.8 °
4G standard-
3G standardsHSPA+
SIM card typeNanoSIM
Wi-Fi standards802.11a, 802.11g, Wi-Fi 5 (802.11ac), 802.11b, Wi-Fi 4 (802.11n)
Bluetooth version5.1
SIM card capabilityDual SIM
Mobile network generation4G
Subscription typeNo subscription
USB version2.0
USB connector typeUSB Type-C
Headphone connectivity3.5 mm
Talk time (3G)- h
Battery capacity5000 mAh
PlatformAndroid
Operating system installedAndroid 12
Audio formats supportedMP3, AAC, AWB, Vorbis, WAV, HE-AAC, HE-AAC v2, OGG, OPUS, FLAC, MIDI, AMR
Video formats supportedVP8, H.264, VP9, MPEG2, H.265, MPEG4, H.263
Repairability index8
Weight and Dimensions IconWeight and Dimensions
Depth8.99 mm
Width75.4 mm
Height164.66 mm
Weight190 g

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