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| inbox:toh:xiaomi:r4ac [2022/07/23 03:36] – [Installation] emphasize sysupgrade file to download. bill888 | inbox:toh:xiaomi:r4ac [2024/05/05 18:16] – removed obsolete information dnd |
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| ====== Xiaomi Mi Router 4A (R4AC) 100M ====== | ====== Xiaomi Mi Router 4A (R4AC) 100M (International version) ====== |
| ~~NOTOC~~ | ~~NOTOC~~ |
| |
| /* This template is intended to be used via https://openwrt.org/meta/create_new_device_page . */ | /* This template is intended to be used via https://openwrt.org/meta/create_new_device_page . */ |
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| {{page>meta:infobox:construction&noheader&nofooter&noeditbtn}} | <WRAP important 100%>**Warning.!!** This hardware not same as **[[inbox:toh:xiaomi:xiaomi_mi_router_4a_gigabit_edition|Mi Router 4A Gigabit]]** nor **[[toh:xiaomi:mi_router_4a_mir4a_100m|Mi Router 4A (MIR4A) 100M (Chinese version)]]**, so don't brick your router!</WRAP> |
| |
| <WRAP important 100%>**Warning.!!** This hardware not same as **[[inbox:toh:xiaomi:xiaomi_mi_router_4a_gigabit_edition|Mi Router 4A Gigabit]]** nor **[[toh:xiaomi:mi_router_4a_mir4a_100m|Mi Router 4A (MIR4A) 100M]]**, so don't brick your router </WRAP> | The Xiaomi Mi Router 4A (R4AC) 100M **international version** is an indoor wireless router based on the MediaTek MT7628AN SoC, with three 10/100 Ethernet ports (2xLAN + 1xWAN), dual band 802.11bgn+ac (dual radio) WiFi and four external non-detachable antennae. The **international version**'s box bears **SKU DVB4230GL**. |
| |
| The Xiaomi Mi Router 4A (R4AC) 100M **international version** is an indoor wireless router based on the MediaTek MT7628AN SoC, with three 10/100 Ethernet ports (2xLAN + 1xWAN), dual band 802.11bgn+ac (dual radio) WiFi and four external non-detachable antennae. | It is similar to [[https://openwrt.org/toh/xiaomi/mi_router_4a_mir4a_100m|MIR4A **Chinese version**]] but the R4AC **international version** <color #ed1c24>has a different flash layout</color> |
| | |
| It is similar to MIR4A but the R4AC **international version** <color #ed1c24>has a different flash layout</color> | |
| /*****/ | /*****/ |
| /* How to add images ========> https://openwrt.org/meta/adding_images_to_openwrt_wiki */ | /* How to add images ========> https://openwrt.org/meta/adding_images_to_openwrt_wiki */ |
| /*****/ | /*****/ |
| |
| {{media:xiaomi:xiaomi_mi_router_4a_mir4ac_international_100m.jpg?200|Mi Router 4A 100M}} | {{media:xiaomi:xiaomi_mi_router_4a_mir4ac_international_100m.jpg?200|Mi Router 4A 100M (International version)}} |
| |
| |
| ===== OpenWrt support ===== | |
| |
| Supported in Snapshot - 4 July 2022 | |
| |
| https://downloads.openwrt.org/snapshots/targets/ramips/mt76x8/openwrt-ramips-mt76x8-xiaomi_mi-router-4a-100m-intl-initramfs-kernel.bin | |
| |
| https://downloads.openwrt.org/snapshots/targets/ramips/mt76x8/openwrt-ramips-mt76x8-xiaomi_mi-router-4a-100m-intl-squashfs-sysupgrade.bin | |
| |
| ===== Supporting activities ===== | ===== Supporting activities ===== |
| There are current changes that add support for this device and it was tested on an international version manufacturing date: 04/2021 | There are current changes that add support for this device and it was tested on an international version manufacturing date: 04/2021 |
| |
| SKU: DVB4230GL | **SKU**: DVB4230GL |
| |
| * OpenWrt forum thread: https://forum.openwrt.org/t/openwrt-bricks-xiaomi-mi-router-4a-mir4ac-100m-international-version/125759/27 | * OpenWrt forum thread: https://forum.openwrt.org/t/openwrt-bricks-xiaomi-mi-router-4a-mir4ac-100m-international-version/125759/27 |
| * OpenWrt forum thread: https://forum.openwrt.org/t/bricked-xiaomi-mi-router-4a-mir4a-100m-international-version/102391/9 | * OpenWrt forum thread: https://forum.openwrt.org/t/bricked-xiaomi-mi-router-4a-mir4a-100m-international-version/102391/9 |
| |
| |
| ===== Experimental firmware ===== | |
| |
| * https://www.dropbox.com/s/rcd1jqm5bhovf2v/xiaomi-4a.zip?dl=1 | |
| |
| ===== Supported Versions ===== | ===== Supported Versions ===== |
| |
| ---- datatable ---- | <!-- ToH: { |
| cols : Brand, Model, Versions, Supported Current Rel, OEM device homepage URL_url, Forum Search_search-forums, Device Techdata_pageid | "source": "json", |
| headers : Brand, Model, Version, Current Release, OEM Info, Forum Search, Technical Data | "dom": "t", |
| align : c,c,c,c,c,c,c | "paging": false, |
| filter : Brand=Xiaomi | "rotate": true, |
| filter : Model=Mi Router 4A (R4AC) | "shownColumns": ["brand", "model", "version", "supportedcurrentrel", "oemdevicehomepageurl", "forumsearch", "deviceid"], |
| ---- | "filterColumns": {"brand": "^Xiaomi$", "model": "^Mi Router 4A \\(R4AC\\)$"} |
| | } --> |
| |
| |
| ===== Hardware Highlights ===== | ===== Hardware Highlights ===== |
| ---- datatable ---- | <!-- ToH: { |
| cols : Model, Versions, CPU, CPU MHz, Flash MB_mbflashs, RAM MB_mbram, WLAN Hardware, WLAN 2.4GHz, WLAN 5.0GHz, Ethernet 100M ports_, Ethernet Gbit ports_, Modem, USB ports_ | "source": "json", |
| header : Model, Version,SoC,CPU MHz,Flash MB,RAM MB,WLAN Hardware,WLAN2.4,WLAN5.0,100M ports,Gbit ports,Modem,USB | "dom": "t", |
| align : c,c,c,c,c,c,c,c,c,c,c,c,c | "paging": false, |
| filter : Brand=Xiaomi | "rotate": true, |
| filter : Model=Mi Router 4A (R4AC) | "shownColumns": ["model", "version", "cpu", "cpumhz", "flashmb", "rammb", "wlanhardware", "wlan24ghz", "wlan50ghz", "ethernet100mports", "ethernet1gports", "modem", "usbports"], |
| ---- | "filterColumns": {"brand": "^Xiaomi$", "model": "^Mi Router 4A \\(R4AC\\)$"} |
| | } --> |
| |
| ===== Installation ===== | ===== Installation ===== |
| /* | <!-- ToH: { |
| ---- datatable ---- | "source": "json", |
| cols : Model, Versions, Supported Current Rel, Firmware OpenWrt Install URL_url, Firmware OpenWrt Upgrade URL_url, Firmware OEM Stock URL_url | "dom": "t", |
| headers : Model, Version, Current Release, Firmware OpenWrt Install, Firmware OpenWrt Upgrade, Firmware OEM Stock | "paging": false, |
| align : c,c,c | "rotate": true, |
| filter : Brand=Xiaomi | "shownColumns": ["model", "version", "supportedcurrentrel", "firmwareopenwrtinstallurl", "firmwareopenwrtupgradeurl", "firmwareoemstockurl"], |
| filter : Model=Mi Router 4A (R4AC) | "filterColumns": {"brand": "^Xiaomi$", "model": "^Mi Router 4A \\(R4AC\\)$"} |
| ---- | } --> |
| */ | |
| | |
| /* delete once stable release is available */ | |
| ---- datatable ---- | |
| cols : Model, Versions, Supported Current Rel, Firmware OpenWrt snapshot Install URL_url, Firmware OpenWrt snapshot Upgrade URL_url, Firmware OEM Stock URL_url | |
| headers : Model, Version, Current Release, Firmware OpenWrt snapshot Install, Firmware OpenWrt snapshot Upgrade, Firmware OEM Stock | |
| align : c,c,c | |
| filter : Brand=Xiaomi | |
| filter : Model=Mi Router 4A (R4AC) | |
| ---- | |
| |
| -> [[docs:guide-user:installation:generic.flashing|Install OpenWrt (generic explanation)]] | -> [[docs:guide-user:installation:generic.flashing|Install OpenWrt (generic explanation)]] |
| - Download the openwrt-**<color #ed1c24>sysupgrade</color>**-image to ''/tmp'' and write it to the flash with ''mtd -r write <image> OS1'' | - Download the openwrt-**<color #ed1c24>sysupgrade</color>**-image to ''/tmp'' and write it to the flash with ''mtd -r write <image> OS1'' |
| |
| | ===== Upgrading OpenWrt ===== |
| /*** if info available: uncomment and fill in | -> [[docs:guide-user:installation:generic.sysupgrade]] |
| ===== Debricking ===== | ===== Debricking ===== |
| -> [[docs:guide-user:troubleshooting:generic.debrick]] | -> [[docs:guide-user:troubleshooting:generic.debrick]] |
| ***/ | |
| | Using Mi Wifi Repair tool: |
| | [[http://www1.miwifi.com/miwifi_download.html|Mi Wifi download]] |
| | [[https://www.dropbox.com/s/bwkc11ntp2t8ryc/How%20to%20use%20MIWIFIRepairToolx86.pdf?dl=0|PDF guide]] (Note: This was written for R4A gigabit edition) \\ |
| | [[https://www.virustotal.com/gui/file/436e57a5e2daf1c5b4ece8851a7b7517c1fbc9e69acba8fac3806aa160f251b5/detection|Numerous antivirus tools report Mi Wifi Repair Tool (files date stamped January 2019) identify it as a 'Potentially Unwanted App'. Unclear whether there is a genuine threat or it is a 'false positive'.]] |
| | \\ |
| | |
| | [[https://forum.openwrt.org/t/xiaomi-r4ac-problems-installing-openwrt/82083/3|Link for v3.0.5 International firmware posted by 'TheCheshireMan']] |
| | |
| | [[https://hoddysguides.com/xiaomi-debrick-tools-all/#google_vignette|Hoddys Guide to Xiaomi Debricking Tools]] |
| | |
| | Global/International version Xiaomi Mi Router 4A (R4AC) 100m \\ |
| | 2.18.215 to ----> 3.0.5 \\ |
| | Revision for global> **DVB4230GL** (see label attached to cardboard shipping box)\\ |
| | |
| | Chinese Xiaomi Mi Router 4A (R4AC) \\ |
| | 2.28 ----> 2.58 or 2.18.51 ----> 2.18.58 \\ |
| | Revision for China> **DVB4222CN** (see label attached to cardboard shipping box) |
| |
| |
| |
| |
| /*** if info available: uncomment and fill in | |
| ==== Buttons ==== | ==== Buttons ==== |
| -> [[docs:guide-user:hardware:hardware.button]] on howto use and configure the hardware button(s). | -> [[docs:guide-user:hardware:hardware.button]] on howto use and configure the hardware button(s). |
| Here, we merely name the buttons, so we can use them in the above Howto. | Here, we merely name the buttons, so we can use them in the above Howto. |
| |
| <WRAP BOX 600px> | |
| FIXME Please fill in real values for this device, then remove the EXAMPLEs and the WRAP that encloses this text. | |
| |
| The Xiaomi R4AC has the following buttons: | The Xiaomi R4AC has the following buttons: |
| |
| ^ BUTTON ^ Event ^ | ^ BUTTON ^ Event ^ |
| | EXAMPLE Reset | reset | | | Reset | reset | |
| | EXAMPLE Secure Easy Setup | ses | | |
| | EXAMPLE No buttons at all. | - | | |
| </WRAP> | |
| ***/ | |
| |
| |
| ^ Ethernet | 10/100 Mbit/s | | ^ Ethernet | 10/100 Mbit/s | |
| ^ Switch | MT7628DAN | | ^ Switch | MT7628DAN | |
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| |
| |
| The following image is the label attached to the shipping box:\\ | The following image is the label attached to the shipping box:\\ |
| | Note **SKU:DVB4230GL**\\ |
| {{media:xiaomi:xiaomi_mi_router_4a_label_r4ac.jpg?500|Shipping box Label of international version}} | {{media:xiaomi:xiaomi_mi_router_4a_label_r4ac.jpg?500|Shipping box Label of international version}} |
| |
| ==== Opening the case ==== | ==== Opening the case ==== |
| |
| <WRAP BOX> | **Note:** This will void your warranty! |
| FIXME //Describe what needs to be done to open the device, e.g. remove rubber feet, adhesive labels, screws, ...// | |
| </WRAP> | To open the case, you need to unscrew the two screws under the sticker and snap off the plastic clips around the perimeter. Use a plastic spudger so as not to marr the case. Plastic is soft and should yield easily. |
| | |
| | //Main PCB://\\ |
| | {{media:xiaomi:mi_router_4a_100m_pcb.jpg?200|Mi Router 4A 100M Main PCB}} |
| |
| ==== Serial ==== | ==== Serial ==== |
| {{media:xiaomi:xiaomi_mi_router_4a_box_jtag.png?400|Serial port of international version}} | {{media:xiaomi:xiaomi_mi_router_4a_box_jtag.png?400|Serial port of international version}} |
| |
| <WRAP BOX> | Connect PCB TX to USB-UART RX, and PCB RX to USB-UART TX, then GND. Don't connect +3.3V as this may power the router from the computer before you're ready. |
| FIXME //Replace EXAMPLE by real values.// | |
| </WRAP> | |
| |
| ^ Serial connection parameters\\ for Xiaomi R4AC @@Version@@ | EXAMPLE 115200, 8N1, 3.3V | | ^ Serial connection parameters\\ for Xiaomi Mi Router 4A (R4AC) 100M International version| 115200, 8N1, Flow Control - NO | |
| |
| ==== JTAG ==== | ==== JTAG ==== |
| -> [[docs:techref:hardware:port.jtag]] general information about the JTAG port, JTAG cable, etc. | -> [[docs:techref:hardware:port.jtag]] general information about the JTAG port, JTAG cable, etc. |
| |
| | /* |
| How to connect to the JTAG Port of this specific device:\\ | How to connect to the JTAG Port of this specific device:\\ |
| **Insert photo of PCB with markings for JTAG port** | **Insert photo of PCB with markings for JTAG port** |
| | */ |
| | |
| | None so far; device doesn't have a readily-accessible JTAG port. |
| | |
| | |
| | ===== Bootloader mods ===== |
| | -> [[docs:techref:bootloader]] |
| | |
| | None so far. |
| | |
| | ===== Hardware mods ===== |
| | |
| | None so far. |
| |
| ===== Bootlogs ===== | ===== Bootlogs ===== |
| |
| ===== Notes ===== | ===== Notes ===== |
| | [[https://forum.openwrt.org/t/xiaomi-mi-router-4a-mir4ac-100m-international-version-bricked-and-cant-unbrick/134430|R4AC with v3.0.10 bricked when downgrading to v3.0.5]] |
| |
| ===== Tags ===== | ===== Tags ===== |
| [[meta:tags|How to add tags]] | [[meta:tags|How to add tags]] |
| {{tag>EXAMPLETAG unsupported}} | {{tag>MIPS ramips Mediatek mt7628an wlan 802.11abgn 802.11a 802.11bgn 802.11ac fastethernet 3port 16Flash 64RAM Serial U-Boot}} |