3RT851A UHD Smart Android Board
3RT851A is an Ultra High Definition smart Android LCD/LED Driver Board. It can support maximum resolutions of up to 3840×2160 Full HD screen Panels. This Combo board is a Multi-Purpose LED UHD TV Driver Control Board. It has multiple input/output interface ports, such as WIFI, RJ45, USB 2.0, HDM 2.0, SPDIF, AV, YPbPr, and Analog TV input, which also support Optical and earphone output.
The 3RT851A is based on the Android operating system and has a built-in 1.5GB RAM and 8 GB storage memory. Its firmware can be updated via the USB interface. Here are the different brands’ firmware files available for the Technician’s support.

General Features and Specifications:
Model No: 3RT851A 201-MT851C1N-60 1.30.01.TT0851C1-00-01
CHIPSET: RTD2851
POWER To Panel: 12V
CPU: Quad-Core
RAM: 1.5/2 G
ROM: 8/16GB EMMC Flash
Resolution Format: 2160P
OS: Android 9.0
HDMI Input: 03
USB Input: 02
RCA Component: Yes
VGA: No
SPDIF: Yes
Backlight: 36-40.8V OR 72-81.6V 300mA OR 600mA
Network: Support Ethernet, WIFI, 3G
System update: Support USB/SD update
AC Input Requirement: 100 ~ 240V
Low power consumable mode: standby≤0.5W
Firmware Name: Install2851.img
Firmware Type: USB Bootable
Product Users: NOKIA, ACER, TCL

Note: The following software/firmware is USB upgradeable. Kazmi Elecom Team is not responsible for any damage/loss caused by uploading/downloading the firmware/software. If you are new and lack knowledge of loading, installing, or dumping files, read here first.
How to Download:
Download all parts of the following given firmware and then extract any one of them, you will get the folder. Now copy the files to the USB. For more Details about the download process, watch the video Click Here
3RT851A firmware for free download:
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