MiraScreen G9 Plus - HW / FW Mods

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renda-l

Senior Member
Feb 23, 2010
125
50
MiraScreen G9 Plus - Hardware / Firmware Mods
===========================================

Mirascreen-g9-plus-2-4-g-5g-4k-wifi-display-dongle-2-88450-thumb.jpg

(Source for image: aliexpress.com)
Warning:
  • You make all hardware modifications at your own risk !!!!
  • Use the firmware at your own risk !!!!
  • We aren't responsible for bricked devices !!!!
Here you will find various hardware modifications, and as well alternative firmware.

The Content of this thread:
 
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renda-l

Senior Member
Feb 23, 2010
125
50
MiraScreen G9 Plus - TearDown
=====================

DPS version Info:
  • SG-EZCAST-8272-Chrome03-V1
  • PCB000874
  • 20181130
Case of G9 Plus:


Case disassembly:
IMG_20220126_072549_small.jpg
Top DPS:
IMG_20220120_142048_small.jpg


Bottom DPS:
IMG_20220120_142054_small.jpg
 
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renda-l

Senior Member
Feb 23, 2010
125
50
MiraScreen G9 Plus - Original and Alternative Firmwares
=====================================

Warning:
  • Use the firmware at your own risk !!!!
  • We aren't responsible for bricked devices !!!!
  • All Alternative Firmwares has been tested :cool:
Current official firmware version for the "Mirascreen G9 Plus": 1.10505.61

Do you know others? I would for the model "Mirascreen G9 Plus"?

[Name Model] , [Vendor String] , [Supported of the "MiraScreen G9 Plus"]​
  • (EZCast5G) - ezcast5g - Not supported
  • (MiraScreen5G) - am8252_nand_mirascreen - Not supported
  • (EZCast 2H) - am_8270_ezcast4k-dongle_ezcast2h - Not supported
  • (EZCast TX) - am_8270_ezcast-tx_nand-std - Not supported
  • (EZCast 2) - am8271_ezcast2K - Not supported
  • (EZCast 4K) - ezcastduo - Not supported
  • (EZCast Band1) - am_8271_ezcast2-dongle_b1 - Not supported
  • (EZCast Ultra) - am_8275_ezcast-dongle_ultra - Not supported
  • (AnyCast M100) - sage_8272_mirascreen-dongle_anycast - Supported
  • (MiraScreen K6) - am_8272_mirascreen-dongle_std - Supported
 
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renda-l

Senior Member
Feb 23, 2010
125
50
MiraScreen G9 Plus - Replacing the 2.4G to the dual-band (2.4G / 5G) Wi-Fi module
======================================================

Replacing the 2.4G Wi-Fi module type "RTL8188FTV" with the 2.4G/5G dual band Wi-Fi module type "RTL8821CU"

Original Wi-Fi module type "RTL8188FTV":
IMG_20220114_092705_small.jpg


Replacement of the "RTL8188FTV" module with a USB-A connector:
IMG_20220114_115318_small.jpg


Set - USB-A connector + neodymium magnets (attachment of the "Wi-Fi" antenna to the TV holder):
IMG_20220117_080219_small.jpg


Complete redesign, added with USB-A connector:
IMG_20220120_122144_small.jpg
IMG_20220120_122219_small.jpg

Ready to test the use of another Wi-Fi module, specifically type "RTL8821CU".

To be continued.... :)
 

renda-l

Senior Member
Feb 23, 2010
125
50
MiraScreen G9 Plus - Hardware parts, technical specifications
========================================

Specifications:
  • CPU : AM8272 (Cortex-A7 dual core, Realtek QA Board)
  • WiFi Module : RTL8188FTV (2.4G) / RTL8821CU (2.4G+5G)
  • Flash NAND : 128MBit (K9F1G08U0E, 16M x 8 Bit NAND, SAMSUNG)
  • RAM DDR : 128MBit "1 Gbit" (NT5CB64M16DP-CF, 64M X 16 bit DDR DRAM, Nanya)
  • Input : USB-Micro
  • Output : HDMI
  • Power : USB-A / USB-Micro / 5V 2A
  • Case Size : 61 x 39 x 14 mm
  • Weight : 23g
  • HDMI Cable Length : 11.5 cm
To be continued.... :)
 
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renda-l

Senior Member
Feb 23, 2010
125
50
MiraScreen G9 Plus - Connecting to the debug interface (Linux Shell)
============================================

To be continued.... :)