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FOTA upgrade

Use the FOTA (Firmware Over The Air) upgrade to update your phone's software.

To access updates, from the app list, touch Settings > System > System Update.

Turn on data connection or Wi-Fi before searching for updates.

With Wi-Fi turned on, the system is able to discover if a new firmware version is

available and if so, begin to download it automatically. Once finished, a pop up

dialog will give you the option of updating your phone now or later.

If Settings > System > System Update > > Update settings > Automatically

update is turned off, a pop up dialog will ask if you want to download a new

firmware version which the phone has discovered, or if you want to ignore it.

If you only have a mobile network connection, you will only receive a notification

which will appear in the Status bar.

During FOTA downloading or updating, to avoid errors in locating the correct update

packages, do not change your default storage location.

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TCL 20L Specifications

General

Display Size	6.67 inches
Display Type	IPS LCD
Resolution	1080 x 2400 pixels
Processor	Qualcomm Snapdragon 662
CPU	Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPU	Adreno 610
RAM	4GB / 6GB
Storage	64GB / 128GB
Expandable Storage	microSDXC (dedicated slot)
Rear Camera	48 MP (wide) + 8 MP (ultrawide) + 2 MP (macro) + 2 MP (depth)
Front Camera	16 MP
Battery Capacity	5000 mAh
Fast Charging	18W
Operating System	Android 11, TCL UI
Dimensions	166.2 x 76.9 x 9.1 mm
Weight	199 g