Etisalat S3

abgn+ac (AC2100)
AC 2100 Dual Band wireless Router
WikiDevi.wi-cat.ru	SerComm S3
3rd Party Firmware
dd-wrt	Status Unknown
OpenWrt	Supported
Tomato any flavor	Incompatible
Gargoyle	Status Unknown
Platform
Brand • Model • Rev	Etisalat S3
FCC ID	none specified
Type	wireless router
CPU1 Y	MediaTek MT7621A
CPU1 Type	MIPS 1004Kc
CPU1 Speed	880 MHz ( 2 cores ) 16-bit
Flash1 Chip	Brand? Model?
Flash1 Size	128 MiB 134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br /> (NAND)
RAM1 Size	256 MiB 268,435,456 B <br />2,097,152 Kib <br />262,144 KiB <br />2,048 Mib <br />0.25 GiB <br />
RAM1 Chip	Brand? Model?
ETH chip1	MediaTek MT7621A
Switch	MediaTek MT7530
Ethernet Port Count	1-1GbE-WAN 4-1GbE-LAN
Wired Standard	IEEE 802.3i/3u/3ab
802dot11 OUI: none specified
Stock bootloader	U-Boot
Expansion IF types	USB 3.0
USB ports	1
USB Hub Compatible	Untested
Power	12 VDC, 1.5 A
Serial Port (UART)	yes, 3.3V TTL, (57600 8N1)
JTAG Port	no
Other
3rd Party Firmware Support	OpenWrt • (List | Dev | DLs)
Radio 1
Chip1	MediaTek MT7603EN
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
Radio 2
Chip1	MediaTek MT7615N
Wireless interface OUI	none specified
Antenna Connector Type	none specified
MIMO status	4x4:4
Wireless Standard	IEEE 802.11a/n/ac
802.11ac	up to 1733 Mbps
802.11n	up to 600 Mbps
802.11a	up to 54 Mbps
WiFi Operating Frequency	5 GHz

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

• 300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.),

• 1733 Mbps - 4SS 5GHz 802.11ac (80MHz chan.) = AC2100 class

Overview

See also: SerComm S3

Flashing

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)
On the OpenWrt Wiki
On the OpenWrt Forum

Target: ramips
Subtarget: mt7621
Package architecture: mipsel_24kc
Supported Since Commit
Support started version: 23.05.0
Current supported version: 25.12.3

LAN Hardware: MediaTek MT7530
WLAN Hardware: MediaTek MT7603EN, MediaTek MT7615N
WLAN Comment: 2.4 - 2x2, 5 - 4x4
Installation method(s):
see devicepage
Install Comment:
Switch to Slot 1 (!!!)
Recovery method(s):
see devicepage
Recovery Comment:
sercomm-recovery utility

git • >>

ramips: add support for Etisalat S3 Etisalat S3 is a wireless WiFi 5 router manufactured by Sercomm company. Device specification -------------------- SoC Type: MediaTek MT7621AT RAM: 256 MiB Flash: 128 MiB Wireless 2.4 GHz (MT7603EN): b/g/n, 2x2 Wireless 5 GHz (MT7615E): a/n/ac, 4x4 Ethernet: 5x GbE (WAN, LAN1, LAN2, LAN3, LAN4) USB ports: 1x USB3.0 Button: 2 buttons (Reset & WPS) LEDs: - 1x Status (RGB) - 1x 2.4G (blue, hardware, mt76-phy0) - 1x 5G (blue, hardware, mt76-phy1) Power: 12 VDC, 1.5 A Connector type: barrel Bootloader: U-Boot Installation ----------------- 1. Login to the router web interface under admin account 2. Navigate to Settings -> Configuration -> Save to Computer 3. Decode the configuration. For example, using cfgtool.py tool (see related section): cfgtool.py -u configurationBackup.cfg 4. Open configurationBackup.xml and find the following line: <PARAMETER name="Password" type="string" value="<your router serial \ is here>" writable="1" encryption="1" password="1"/> 5. Insert the following line after and save: <PARAMETER name="Enable" type="boolean" value="1" writable="1" encryption="0"/> 6. Encode the configuration. For example, using cfgtool.py tool: cfgtool.py -p configurationBackup.xml 7. Upload the changed configuration (configurationBackup_changed.cfg) to the router 8. Login to the router web interface (SuperUser:ETxxxxxxxxxx, where ETxxxxxxxxxx is the serial number from the backplate label) 9. Navigate to Settings -> WAN -> Add static IP interface (e.g. 10.0.0.1/255.255.255.0) 10. Navigate to Settings -> Remote cotrol -> Add SSH, port 22, 10.0.0.0/255.255.255.0 and interface created before 11. Change IP of your client to 10.0.0.2/255.255.255.0 and connect the ethernet cable to the WAN port of the router 12. Connect to the router using SSH shell under SuperUser account 13. Run in SSH shell: sh 14. Make a mtd backup (optional, see related section) 15. Change bootflag to Sercomm1 and reboot: printf 1 | dd bs=1 seek=7 count=1 of=/dev/mtdblock3 reboot 16. Login to the router web interface under admin account 17. Remove dots from the OpenWrt factory image filename 18. Update firmware via web using OpenWrt factory image Revert to stock --------------- Change bootflag to Sercomm1 in OpenWrt CLI and then reboot: printf 1 | dd bs=1 seek=7 count=1 of=/dev/mtdblock3 mtd backup ---------- 1. Set up a tftp server (e.g. tftpd64 for windows) 2. Connect to a router using SSH shell and run the following commands: cd /tmp for i in 0 1 2 3 4 5 6 7 8 9 10; do nanddump -f mtd$i /dev/mtd$i; \ tftp -l mtd$i -p 10.0.0.2; md5sum mtd$i >> mtd.md5; rm mtd$i; done tftp -l mtd.md5 -p 10.0.0.2 Recovery -------- Use sercomm-recovery tool. Link: https://github.com/danitool/sercomm-recovery MAC Addresses ------------- +-----+------------+---------+ | use | address | example | +-----+------------+---------+ | LAN | label | *:50 | | WAN | label + 11 | *:5b | | 2g | label + 2 | *:52 | | 5g | label + 3 | *:53 | +-----+------------+---------+ The label MAC address was found in Factory 0x21000 cfgtool.py ---------- A tool for decoding and encoding Sercomm configs. Link: https://github.com/r3d5ky/sercomm_cfg_unpacker Co-authored-by: Karim Dehouche Co-authored-by: Maximilian Weinmann Signed-off-by: Mikhail Zhilkin