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MIRASCREEN G9 PLUS - HW / FW MODS

 * Thread starter renda-l
 * Start date Jan 20, 2022

 * Home
 * Forums
 * General Development
 * Hardware Hacking
 * Hardware Hacking General

•••

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R

RENDA-L

SENIOR MEMBER


Feb 23, 2010 151 51

 * Jan 20, 2022

 * 
 * #1

MiraScreen G9 Plus - Hardware / Firmware Mods
===========================================




(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:

 * MiraScreen G9 Plus - TearDown
 * MiraScreen G9 Plus - Hardware parts, technical specifications
 * MiraScreen G9 Plus - Original and Alternative Firmwares
 * MiraScreen G9 Plus - Replacing the 2.4G to the dual-band (2.4G / 5G) Wi-Fi
   module
 * MiraScreen G9 Plus - Connecting to the debug interface (Linux Shell)

 
Last edited: Jan 26, 2022



R

RENDA-L

SENIOR MEMBER


Feb 23, 2010 151 51

 * Jan 26, 2022

 * 
 * #2

MiraScreen G9 Plus - TearDown
=====================

DPS version Info:

 * SG-EZCAST-8272-Chrome03-V1
 * PCB000874
 * 20181130

Spoiler: Case Pictures:
Case of G9 Plus:


Case disassembly:


Spoiler: DPS Layout Pictures:
Top DPS:




Bottom DPS:


 
Last edited: Jan 26, 2022



R

RENDA-L

SENIOR MEMBER


Feb 23, 2010 151 51

 * Jan 26, 2022

 * 
 * #3

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

Current official firmware version for the "Mirascreen G9 Plus": 1.10505.61


Spoiler: Alternative Firmwares (Firmware tested on the "MiraScreen G9 Plus"):
 * FW v1.13610.47:
   http://cdn.iezcast.com/upgrade/am_8...dongle_std_official-1.13610.47-0x99A7C4FD.img
   * Flash Tool:
     https://cdn.shopify.com/s/files/1/0017/6553/9884/files/MiraScreen_8272_Repair_Tool.rar
 * FW v1.10505.3:
   http://cdn.iezcast.com/upgrade/sage...gle_anycast_official-1.10505.3-0x937AC2AD.img
   * Flash Tool:
     https://cdn.shopify.com/s/files/1/2427/2515/files/AnyCast_M100Repair_Tool.zip

Spoiler: Known firmwares for MCU AM8272 (Vendors Names):
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

Spoiler: Check Firmware over http api:
 * https://api.ezcast.com/api/firmware...mirascreen-dongle_std&firmware_version=1.10.3
 * https://www.ezcast.com/service/ota/..._8272_mirascreen-dongle_std&rx_version=1.10.3
 * curl http://www.iezvu.com/upgrade/ota_rx.php -d
   "{\"version\":1,\"vendor\":\"am_8272_mirascreen-dongle_std\",\"mac_address\":\"authorshxj\",\"softap_ssid\":\"000000-00000000\",\"firmware_version\":\"1103\"}"
 * curl http://cdn.iezcast.com/upgrade/ota_rx.php -d
   "{\"version\":1,\"vendor\":\"am_8272_mirascreen-dongle_std\",\"mac_address\":\"authorshxj\",\"softap_ssid\":\"000000-00000000\",\"firmware_version\":\"1103\"}"
 * curl http://www.ezcast.com/upgrade/ota_rx.php -d
   "{\"version\":1,\"vendor\":\"am_8272_mirascreen-dongle_std\",\"mac_address\":\"authorshxj\",\"softap_ssid\":\"000000-00000000\",\"firmware_version\":\"1103\"}"

 
Last edited: Jan 26, 2022



R

RENDA-L

SENIOR MEMBER


Feb 23, 2010 151 51

 * Jan 26, 2022

 * 
 * #4

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"


Spoiler: Replacing the original Wi-Fi module with a USB-A connector:
Original Wi-Fi module type "RTL8188FTV":




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




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




Complete redesign, added with USB-A connector:


Spoiler: Original Wi-Fi module type "RTL8188FTV" placed in the case of a
defective Flash Drive:


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

To be continued....
 



R

RENDA-L

SENIOR MEMBER


Feb 23, 2010 151 51

 * Jan 26, 2022

 * 
 * #5

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....
 
Last edited: Jan 26, 2022



R

RENDA-L

SENIOR MEMBER


Feb 23, 2010 151 51

 * Jan 26, 2022

 * 
 * #6

MiraScreen G9 Plus - Connecting to the debug interface (Linux Shell)
============================================

To be continued....
 



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