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Kimax U25AWF

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Kimax U25AWF

Country of manuf.: China

Amazon image

B01CTNN07K (Flag of the United States.svg, On Amazon, On CCC)

Type: mobile NAS

Power: 5 VDC, ? A
Connector type: USB Female Micro-B

CPU1: MediaTek MT7620N (580 MHz)
FLA1: 16 MiB
16,777,216 B
131,072 Kib
16,384 KiB
128 Mib
0.0156 GiB
(Macronix MX25L12805D)
RAM1: 64 MiB
67,108,864 B
524,288 Kib
65,536 KiB
512 Mib
0.0625 GiB
(Brand? Model?)

Expansion IFs: USB 2.0, USB 3.0
USB ports: 2

WI1 chip1: MediaTek MT7620N
WI1 802dot11 protocols: bgn
WI1 MIMO config: 2x2:2
WI1 antenna connector: none

ETH chip1: MediaTek MT7620N
LAN speed: 100M
LAN ports: 1


Stock bootloader: U-Boot 1.1.3

Stock FW OS: Linux 3.14.18

Third party firmware supported: OpenWrt

Flags: battery, portable

802dot11 OUI: none specified

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

Kimax U25AWF[edit]

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.


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

Serial Port[edit]

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)


OEM Firmware[edit]

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 Firmware[edit]

It can be done with OEM WebUI.

Upgrading Bootloader[edit]

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

Vendor links[edit]