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inbox:toh:xiaomi:mi_wifi_range_extender_ac1200_model_ra75 [2023/03/22 20:15] – datatables, cosmetic danitoolinbox:toh:xiaomi:mi_wifi_range_extender_ac1200_model_ra75 [2024/05/01 20:03] – [Debricking] jdeisenh
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 If you don't mind some soldering, this is a very capable hardware for the price that runs OpenWrt just fine.  If you don't mind some soldering, this is a very capable hardware for the price that runs OpenWrt just fine. 
 Major hardware limitations (if you don't count the form factor's inherent lack of interfaces) are the 100Mbit LAN port and the 64MB of RAM.  Major hardware limitations (if you don't count the form factor's inherent lack of interfaces) are the 100Mbit LAN port and the 64MB of RAM. 
 +
 +Warning: There is a newer version on the market, Model RC04. This looks identical, but is quite a bit harder to install. Avoid. 
  
 ===== Supported Versions ===== ===== Supported Versions =====
----- datatable ---- +<!-- ToH: { 
-cols    BrandModelVersionsSupported Current Rel, Unsupported Functions_unsupporteds, Forum search_search-forums, Device Techdata_pageid +  "source""json", 
-headers BrandModel, Version, Current Release, Unsupported Functions, Forum Search, Technical Data +  "dom": "t", 
-align   c,c,c,c,c,l,c +  "paging": false
-filter  : Model*~RA75 +  "rotate"true
-----+  "shownColumns"["brand""model""version""supportedcurrentrel""unsupported_functions""forumsearch", "deviceid"]
 +  "filterColumns"{"model": "RA75"} 
 +-->
  
 Supported in snapshots, since 2023-01-14.  Supported in snapshots, since 2023-01-14. 
 +
  
 This box does not run a HTML UI, it is configured through an app. For this reason, you cannot use OpenWrtInvasion. This box does not run a HTML UI, it is configured through an app. For this reason, you cannot use OpenWrtInvasion.
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 Please note that right now, there is no way back to the stock firmware. (For lack of trying, and why would anybody?) Please note that right now, there is no way back to the stock firmware. (For lack of trying, and why would anybody?)
 +
 +There seems to be a new version available from 2023 'Model RC04' with a different wifi chip. This is almost identical, but has a newer 5GHz Wifi chip. Unfortunately, console is not functional without directly modifying the SPI Flash's content with a flash programmer. You will also need to load a different chipset driver to get 5GHz functional. 
  
 ** Supporting activities ** ** Supporting activities **
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 ===== Hardware Highlights ===== ===== Hardware Highlights =====
----- datatable ---- +<!-- ToH: { 
-cols    ModelVersionsCPU, CPU MHz, CPU Cores_numcores_, Flash MB_mbflashs, RAM MB_mbram, WLAN Hardware, WLAN 2.4Ghz, WLAN 5.0Ghz, Ethernet 100M ports_, Ethernet Gbit ports_USB ports_ +  "source""json", 
-header  : ModelVersion,SoC,CPU MHz, CPU Cores, Flash MB,RAM MB,WLAN Hardware,WLAN2.4,WLAN5.0,100M ports,Gbit ports,USB +  "dom": "t", 
-align   c,c,c,c,c,c,c,c,c,c,c,c,c +  "paging": false
-filter  : Model*~RA75 +  "rotate"true
-----+  "shownColumns"["model""version""cpu""cpumhz""cpucores""flashmb""rammb""wlanhardware""wlan24ghz""wlan50ghz""ethernet100mports""ethernet1gports", "usbports"]
 +  "filterColumns"{"model": "RA75"} 
 +-->
  
 ===== Installation ===== ===== Installation =====
----- datatable ---- +<!-- ToH: { 
-cols    ModelVersionsSupported Current RelFirmware OpenWrt Install URL_urlFirmware OpenWrt Upgrade URL_url, Firmware OEM Stock URL_url +  "source""json", 
-headers ModelVersionCurrent ReleaseFirmware OpenWrt stable InstallFirmware OpenWrt  stable UpgradeFirmware OEM Stock +  "dom": "t", 
-align   : c,c,c +  "paging": false, 
-filter  : Model*~RA75 +  "rotate": true
-----+  "shownColumns"["model""version""supportedcurrentrel""firmwareopenwrtinstallurl""firmwareopenwrtupgradeurl""firmwareoemstockurl"]
 +  "filterColumns"{"model": "RA75"} 
 +-->
 ** Alternative firmware ** ** Alternative firmware **
  
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 -> [[docs:guide-user:troubleshooting:generic.debrick]] -> [[docs:guide-user:troubleshooting:generic.debrick]]
  
-As long as you haven't shot your bootloader, the serial console install should work. +The standard method of debricking common to xiaomi devices work: Hold the reset button while booting to get into a mode where the device will request a signed bootloader via TFTP. But there is currently no known source for an installable stock firmware 
  
  
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 There is a single screw under the barcode label, right side. Removing the screw beneath, you can split the unit into the power supply and the wifi part. The 'hot' parts are shielded, no risk of electrical shock.  There is a single screw under the barcode label, right side. Removing the screw beneath, you can split the unit into the power supply and the wifi part. The 'hot' parts are shielded, no risk of electrical shock. 
  
 +{{:media:xiaomi:ra75_open.jpg|RA75}}
 ==== Serial ==== ==== Serial ====
 -> [[docs:techref:hardware:port.serial]] general information about the serial port, serial port cable, etc. -> [[docs:techref:hardware:port.serial]] general information about the serial port, serial port cable, etc.
  • Last modified: 2024/11/05 17:55
  • by griba