View Issue Details
ID | Project | Category | View Status | Date Submitted | Last Update |
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0007466 | Networks | Hardware | public | 2024-09-07 23:22 | 2025-07-22 13:21 |
Reporter | DigitalMy | ||||
Priority | normal | Severity | minor | Reproducibility | have not tried |
Status | assigned | Resolution | open | ||
Summary | 0007466: Tp-link MR200 v1 LTE router | ||||
Description | Use as redirect and ISP gateway CPU: MediaTek MT7620A Use TFTP installation method Firmware Version:0.9.1 1.2 v004a.0 Build 180502 Rel.53881n Hardware Version:Archer MR200 v1 00000001 | ||||
Tags | No tags attached. | ||||
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Channel 10 n (40MHz) Channel 44 n+ac (80MHz) password default 18080346 (no username) |
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Speedtest gives on client side internet link (over LTE 75%): Download: 20 Mbps Upload: 30 Mbps Intermediate link MR200 router (access point) with client shows bitrate: 120 Mbit/s > which is pretty normal result |
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Got another device with vendor SIM lock Firmware Version:0.9.1 0.0 v004a.0 Build 160118 Rel.50197n Hardware Version:Archer MR200 v1 Uploaded original firmware Archer MR200(EU)_V1_180502 After upload Firmware Version:0.9.1 1.2 v004a.0 Build 180502 Rel.53881n Modem: Firmware Version: 1.0.0 Build 160506 Rel.1047n Hardware Version: MR200(UN) 1.0 v1.0 Flash chip on bottom MXIC MX25L6433FM2I-08G =8MB need to be replaced before software installation in OS... |
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OpenWRT: Router has TFTP client with IP address 192.168.1.1 started in case powered on with WPS button pressed for 15 second Router reads TFTP Server with IP address 192.168.0.66 mask 255.255.0.0 - set this to computer LAN Add TFTP feature to Windows 11 in PowerShell: Dism /online /Enable-Feature /FeatureName:TFTP /All Upload new OpenWRT to MR200v1: tftp -i //192.168.1.1// PUT ArcherC2V1_tp_recovery.bin Or start Tftpd64.exe and specify Current directory - is folder with ArcherC2V1_tp_recovery.bin file there. Server interface - the one with IP address 192.168.0.66 after upload basic lede and reboot open http://192.168.1.1/cgi-bin/luci/admin/system/flashops/sysupgrade and flash openwrt-23.05.4-ramips-mt7620-tplink_archer-mr200-squashfs-sysupgrade.bin After login there is only 600KB space left Found flash space left below minimum and failed installing software with filesystem read-only lock. mtd unlock rootfs_data mtd -r erase rootfs_data Downgrade to smaller OS https://downloads.openwrt.org/releases/22.03.7/targets/ramips/mt7620/openwrt-22.03.7-ramips-mt7620-tplink_archer-mr200-squashfs-sysupgrade.bin After login there is only 1030KB space left Try install software: luci-app-openvpn (100KB without translations) openvpn-openssl (250KB approximately) openssh-sftp-server (50KB approximately) kmod-usb-net-rndis - for wan modem adb - for Android modem After basic configuration OpenWrt 22 can see usb0 modem interface. DMZ IP in this WAN must be 192.168.225.100 |
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LTE modem configuration located in mini pci-e port uses USB line it has an ARMv7 processor with 30MB of RAM Can set up modem using adb or web page http://192.168.225.1/login.html password "admin" but: do not save any non-modem settings in web: it may damage configuration of OpenWrt. adb shell cat /misc/imei Can change IMEI: echo "mynewimei" > /misc/imei Firmware for modem is a part of Tp-link original file "Archer MR200v1_0.9.1_1.2_up_boot_v004a.0 Build 180502 Rel.53881n.bin" starting from 0x7d0200 byte Original modem in Tp-link MR200v1 is Qualcomm mdm9225 Possible modem replacement: Huawei ME909s-120 (tested by others) Try replacement with cat.9 modem like L850-GL with M.2 NGFF adapter, because cat.16 modems have 4pcs antennas Alternative way to see web page using adb shell in android: chmod +x /WEBSERVER/www/cgi-bin/* httpd -h /WEBSERVER/www/ in OpenWrt: adb forward tcp:8880 tcp:80 in PC: browser: http://192.168.225.1:8880/QCMAP.html (user/pass: admin/admin) |