Nov 23, 2015 This post is on the topic of E3372 - manual dial-in and IP address conflict with VPN. Please see more details below. Issues description. I have two serious problems with the new E3372 LTE stick: I need to use the E3372 with our OpenWrt-Router. Therefore, it is necessary to stay online. May 25, 2019 Huawei E3372 Change Imei. Posted on 5/25/2019. How to unlock MTN Huawei E3372h-153 Modem. To unlock MTN Huawei E3372h-153 in any country, you need the following: 1. Sep 09, 2018 Cara Ganti IMEI Huawei E5573cs-609, Change IMEI versi 21.326/327/328.62.00.-Duration: 3:41. Azzalia Channel 560 views. Feb 26, 2020 Change IMEI Files Download Link: Tested Devices and Firmware B310As-938 V1: http://www.mediafire.com/?b7e22peniy. To unlock Huawei E3372, turn ON with unacceptable simcard (another than current network provider sim card). The Huawei E3372 will prompt for 'SIM Network Unlock PIN' or 'Unlock Code'. Enter the unlock code which is provided by routerunlock.com. Now, your Huawei E3372 is unlocked to use with all operator simcards. Unlocking of Huawei E3372 by code is the fastest and secured method.
19-05-2017, 07:54 PM
This is a step by step guide showing how to fix / write IMEI and SN number to a Huawei Mifi. Null IMEI on a huawei mifi is usually the result of tampering with the NVM, those who unlock their devices by flashing USBloader will notice that the device no longer has a valid IMEI or SN. The device might still connect to the internet and work properly BUT it will no doubt be better to have everything in perfect condition.
Requirements
- Download and install HxD Editor
- Download DC Unlocker
- Huawei MiFi with corrupted IMEI and SN number
- USB cord
- The guide assumes that you already installed the necessary drivers before now. If you haven't done so then search online for, download and install the necessary drivers for your device.
How to Write IMEI and S/N to a Huawei MiFi
The steps below explain how write IMEI and S/N to a huawei mifi and fix invalid / null IMEI
- Disconnect the device and insert a working sim of your choice (you'll get an error message if you try writing IMEI without a SIM card inside the device)
- Power on the device and connect to the PC using a USB cord
- Now run DC-unlocker
- Select Huawei modems > Use auto detect > Click the search button
- The device should be detected and all information displayed
- Now type the code below and hit Enter
AT^CIMEI='*****'
where ***** is the 15 digit original IMEI gotten from the carton of your device - You should get 'OK' meaning the IMEI was written successfully
- To write SN number, Launch HxD editor > press 'control + N' to open a new file
- Type the original serial number gotten from the carton of your device into the right hand side and the hex value should be displayed in the middle
- Now type the code below into DC-unlocker and hit Enter
AT^NVWR=6,16,** ** ** ** ** ** ** ** ** ** ** ** ** ** ** **
where ** ** ** ... is the hex value gotten from HxD editor - You should get 'OK' meaning the SN number was written successfully
Important Notice
- If you encounter +CME ERROR: 50, then ensure you inserted a working sim into the device before attempting to write IMEI
Note!
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How to unlock MTN Huawei E3372h-153 Modem
To unlock MTN Huawei E3372h-153 in any country, you need the following:
2. Download files needed to unlock MTN Huawei E3372h-153, place the file on your desktop
3. Teamviewer (Download and open it on your PC, send us the id and password)
4. Make payment and we will contact you to start unlocking of your device, immediately after payment.
Note: Unlocking / decoding is not free, you can pay through PayPal or Bitcoin or MTN mobile money.
NOTE: If you prefer to do the unlock yourself with an unlock code then you can simply buy the code and insert it into the device. After inserting the code in the device, it will be permanently unlocked!
The Huawei E3372 is quite a popular LTE stick: it’s widely available (in retail stores, on eBay and also in branded variations, eg. “Telekom Speedstick V”, “Megafon M150-2”) and rather affordable (currently starting at €60 in Germany). It features a LTE Cat 4 modem supporting up to 150 MBit/s download and up to 50 MBit/s upload speeds, falls back to (DC-)HSPA(+), UMTS and EDGE, if necessary, and has quite small dimensions (88m x 28mm x 11.5mm).
Change Iphone Imei
The bad news is that the E3372 comes in one of two variants:
- with a “Hilink” firmware (version numbers 22.x) the stick appears to the USB host as an Ethernet device, runs an own DHCP server and provides a Web interface at the IP address 192.168.8.1 to control its router operation. This also means it will do the network address translation (NAT) for you and has some sort of firewall, which, at least in the version I had (see below) was not configurable at all. Sticks that come with the Hilink firmware seem to carry the model code E3372h-xxx.
- with a “Stick” firmware (version numbers 21.x) the stick appears to the USB host with two USB serial devices one of which exposes an AT-style interface over which both PPP (slow) and NCM (Network Control Model, part of the USB implementers forum Communications Device Class (CDC) class of protocols for providing Ethernet-over-USB style networking, faster) modes can be employed. In this mode the interface created exposes the IP address assigned by the mobile network directly, ie. there is no NAT. Sticks that come with the stick firmware seem to carry the model code E3372s-xxx (but see below).
- E3372 Front view
- E3372 Bottom view
- E3372 Bottom view with cover removed
Hilink mode is practical for most users because they likely need no special drivers to use the LTE stick but it’s disadvantageous if you want to provide services to the Internet. Unfortunately you can’t see from the outside whether you get a E3372h or a E3372s unless you can slide the stick’s cap off to access the SIM slot (see the gallery). It is, luckily, possible to flash a stick with the respective opposite kind of firmware, eg. a Hilink firmware stick with a Stick firmware and vice versa. However this process can get a bit cumbersome as quite a lot of information on the Web is incomplete, outdated or in a foreign language.
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The stick I bought carried the following version information:
Model code | E3372h-153 | E3372h: Apparantly sold with Hilink firmware, E3372s: Apparantly sold with stick firmware (but see below) E3372x-yyy: Apparantly a region-specific code, couldn’t find its exact meaning however |
---|---|---|
Hardware version | CL2E3372HM | The HM indicate it’s a E3372h whereas SM would mean it’s a E3372s. |
Software version | 22.200.15.02.1217 | All Hilink firmwares use a 22.x version number. |
Web UI version | 17.100.12.01.1217 | The Web UI gets flashed separately from the Hilink firmware (first the Web UI, then the Hilink firmware). With a stick firmware the Web UI is inactive. |
The following describes the steps that did not work for me to flash a stick firmware and those that did. Note that my stick wasn’t SIM-locked or anything and I didn’t flash from stick to Hilink firmware, so I didn’t need an unlock code or something like that.
What did NOT work for me
- Instructions that report that mode switching would be a simple as accessing an URL such as http://192.168.8.1/html/switchProjectMode.html. As this finnish blog post points out, this appears to have worked with older E3372s versions only. Note that this seems to imply that there were E3372s versions with Hilink firmware, too.
- Sending a specially crafted XML packet to the Hilink API as described in Ivan’s post gave me just a pretty useless error message.
- Flashing under Windows 10. Something changed in between 7 and 10 that hinders almost all flashing tutorials given. I had to explicitly install Windows 7 on a spare SSD to get further (but then flashing didn’t work for other reasons). Your mileage may vary.
- The flash instructions given eg. in said blog post and others such as in the widely distributed E3372h-Nadelmethode-mmtk.rar (involving Huawei official .exe files) and those given in this internet-sim.at blog post (using a Huawei_Flasher_v2.exe) did not work either. I kept receiving Code 13 error messages.
What worked for me
Following the first four steps from this lteforum.at post, which have the advantage that they work without a Windows installation as well:
- I cloned the forth32/balong-usbdload and forth32/balongflash repos from Github and compiled the software (which is pretty easy, given it has no special requirements).
- I physically opened the LTE stick and used the “needle method” as demonstrated in this YouTube video by a clever Russian: you effectively shorten a test point of the stick’s PCB to Ground when plugging the stick into the USB port which seems to put it into some special bootloader mode. Watch Windows’ device manager resp. syslog for a newly detected USB serial port.
- I then used the balong-usbdload utility to put the stick into a special, non-persistent download mode (note the use of sudo, the balong utilities need to run as root):
sudo balong-usbdload -p /dev/ttyUSB0 usblsafe-3372h.bin
. Of course you need to use the right ttyUSBX device (try lsusb, e.g. it might be ttyUSB1 or ttyUSB2 in your case). - Afterwards I could flash the stick firmware with balong_flash:
sudo balong_flash -p /dev/ttyUSB0 3372h-153_UPDATE_21.180.01.00.00.BIN
(taken from this a bit confusing lteforum.at page, look for the link “E3372h-153 21.180.01.00.00 general”).
And that’s it! Note that I didn’t select that particular stick firmware version intentionally. I haven’t found a changelog of some kind between the different firmware revisions yet.
EDIT 21-Nov-2017: Added the missing -p option to the balong-usbflash command as well as the use of sudo. Thanks to Benjamin Berger for notifying me.
Huawei E3372 Pdf
EDIT 14-Jan-2018: Reflected renamed balong utilities. Thanks to Josef Hölzl for notifying me.
Huawei E3372 Change Imei Download
EDIT 13-Jul-2018: Added more information on the meaning of the hardware version thanks to William Poetra Yoga.
Huawei E3372 Unlock
EDIT 07-Oct-2018: Added info on what link to look for on the lteforum.at page.