Kimax KI-U25AWF

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multiple revisions of this device, use caution
bgn (N300)
External Wireless HDD & Power Bank
WikiDevi.wi-cat.ru Kimax U25AWF
3rd Party Firmware
dd-wrt Status Unknown
OpenWrt Supported
Tomato any flavor Incompatible
Gargoyle Status Unknown
Platform
BrandModelRev Kimax KI-U25AWF
FCC ID none specified
Type mobile NAS
CPU1 checkY MediaTek MT7620N
CPU1 Type MIPS 24KEc
CPU1 Speed 580 MHz
Flash1 Chip Brand? Model?
Flash1 Size 16 MiB 16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br />
RAM1 Size 64 MiB 67,108,864 B <br />524,288 Kib <br />65,536 KiB <br />512 Mib <br />0.0625 GiB <br />
RAM1 Chip Macronix MX25L12805D
ETH chip1 MediaTek MT7620N
Ethernet Port Count 1-100MbE-LAN
Wired Standard IEEE 802.3i/3u

802dot11 OUI: none specified

Stock bootloader U-Boot 1.1.3
Stock FW OS Linux 3.14.18
Expansion IF types USB 2.0, USB 3.0
USB ports 2
USB Hub Compatible Untested
Power 5 VDC, 2 A
?v BAT
, 4000 mAh, 4 cells
Connector type USB Female (Micro-B)
Serial Port (UART) yes, 3.3V TTL, (57600 8N1)

Flags:
battery, portable

Other
3rd Party Firmware Support OpenWrt • (List | Dev | DLs)
Retail
ASIN B01CTNN07K
Country of manuf China
Radio 1
Chip1 MediaTek MT7620N
Wireless interface OUI none specified
Antenna Connector Type none specified
MIMO status 2x2:2
Wireless Standard IEEE 802.11b/g/n
802.11n up to 300 Mbps
802.11g up to 54 Mbps
802.11b up to 11 Mbps
WiFi Operating Frequency 2.4 GHz
 CPU1 brandRadio1 chip1 brandRadio1 chip2 brand
Kimax KI-U25AWFMediaTekMediaTek
Kimax KI-U25AWF-H1MediaTekMediaTek

For a list of all currently documented MediaTek chipsets with specifications, see MediaTek.

300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = N300 class

Overview

Kimax U25AWF

There is three brend name of this device Kimax/Mixxar/Blueendless

There is not official site of it.

Kimax U25AWF is a HDD Enclosure with Wi-Fi/Eth conection and battery.

It has 1x USB 2.0 and 1x USB 3.0 OTG/Charge.

Modes

It has three modes

1. HDD Enclosure with USB 2.0 HUB
2. NAS
2a. Power supply from battery
2b. Power supply from USB 3.0 port
3. Power bank

Links of Interest

Vendor links

Flashing

Flashing OpenWrt

Target: ramips
Subtarget: mt7620
Package architecture: mipsel_24kc
Supported Since Commit
Support started version: 18.06.0
Current supported version: 25.12.2
WLAN Hardware: MediaTek MT7620N
WLAN Comment: 2x2 MIMO
Installation method(s):
GUI OEM, see git-commit
Comment:
Manufacturer = Blueendless; sold also as: KIMAX, MBOX, MIXXAR, and possibly other brands
git • >>
ramips: add support for Kimax U25AWF-H1
Kimax U-25AWF-H1 is is a 2,5" HDD Enclosure with Wi-Fi/Eth conection
and battery, based on MediaTek MT7620A.

Patch rewritten from: https://forum.openwrt.org/viewtopic.php?pid=305643

Specification:

- MT7620A CPU
- 64 MB of RAM
- 16 MB of FLASH
- 802.11bgn WiFi
- 1x 10/100 Mbps Ethernet
- USB 2.0 Host
- UART for serial console

Flash instruction:
1. Download lede-ramips-mt7620-u25awf-h1-squashfs-sysupgrade.bin
2. Open webinterface a upgrade
3. After boot connect via ethernet to ip 192.168.1.1

Signed-off-by: Daniel Kucera
[fix reset button gpio, don't add a lan/wan vlan config for single
port board, add -H1 suffix do make sure that this revision of the
board is supported/tested]
Signed-off-by: Mathias Kresin

OEM Firmware

It is OpenWRT with changed WebUI (system version 1.1.6).

There is not Telnet/SHH.

There is patch supporting all option of this device.

Checked for Chaos Calmer. All work

Upgrading

Upgrading Firmware

It can be done with OEM WebUI.

Upgrading Bootloader

You can upgrade bootloader from u-boot menu or using programmer.

JTAG-Serial Info

Serial

Board don`t have pins for serial connection. But you can solder three wires

(2 micro pad tx, rx and gnd get at any place where you want).

Serial port settings is 57600 8n1 for u-boot and 9600 8n1

(was found out by "logic analyzer") for firmware
(settings are changed from start of uploading firmware)