How to Unlock Huawei B315s CPE Wireless Gateway Router

Huawei B315 is a new 4G LTE CPE with LTE Category 4 technology. Huawei B315 could achieve LTE connection of up to 150Mbps through its Gigabit Ethernet port. Its rich in great features. There are four Ethernet ports for LAN/WAN. It also features a USB 2.0 port for HDD, flash drives, network storage devices and printers. The B315 LTE CPE could cover smoother wireless network for 250 meters. Even after a successful upgrade, you can easily restore software to the previous version. Simply hold the WPS and Power buttons for a seamless rollback. With the LTE CPE B315, the brother model Huawei B310 LTE CPE is also presented with less LAN ports and no USB port. Its available with different sub-models, as detail given below:

* Huawei B315s-22: 4G LTE B1/B3/B7/B8/B20 (FDD 800/900/1800/2100/2600MHz)and TD-LTE B38 (2600MHz)
* Huawei B315s-607: 4G Band 1/3/7/8/28/40 (FDD 700/900/1800/2100/2600 & TDD 2300Mhz)
* Huawei B315s-936: 4G Band 1/3/40/41 (FDD 1800/2100 & TDD 2300/2500Mhz)
* Huawei B315s-608: 4G Band B2/B3/B5/B8 (FDD 700/900/1800/2100/2600)

huawei-b315s-specsGuide How to Unlock Huawei B315 CPE Wireless Gateway Router

Complete instruction for Unlock Process is as mentioned below:

1. The first step is to install Huawei Modem Drivers
(Skip, if you have already installed Mobile Partner or Huawei Modem Drivers)

To have drivers Download and install Mobile Partner software it will automatically install Huawei modem drivers required or alternately install latest Huawei modem drivers from here and wait for few minutes then restart your computer.

Precaution: Make sure you have Power Backup to complete the flashing process, if power failure during flashing, your device may be bricked/damaged.

2. The second step is to get your device into USB Modem / Download Mode
(Two alternate methods: Method 1 or Method 2, use which is more convenient for you)

Insert unsupported operator SIM in device. Connect router to power adopter

Before unlock you must put this device in USB Modem / download mode. How to do it read below


(Device should be connected via USB cable to PC, LAN cable should not be connected)

Press and hold WPS + Power buttons on top of the router


Hold buttons pressed until red light indicator turns on


After it goes off, release fingers from WPS and Power buttons. Shortly after (10-20 seconds) blue light indicator will turn on and remain for half a minute or more


When it goes off you should see green light indicator – this means device is in download mode and ready for detect/unlock. If it doesn’t check method 2


(Device should be connected via USB and LAN cables to PC)

Click here to Download Multiupgrade tool

Launch Multiupgrade tool. Select Network card to which your router is connected to

Guide How to Unlock Huawei B315 CPE Wireless Gateway Router

Select B593-22 file and click “Open”

Guide How to Unlock Huawei B315 CPE Wireless Gateway Router

Press Start

Guide How to Unlock Huawei B315 CPE Wireless Gateway Router

Blue indicator light will start glowing, if indicator does not glow with blue color you will need to restart the device and repeat the process

After a while indicator will turn into red, press “Stop” button on upgrade tool, disconnect LAN cable from PC

Guide How to Unlock Huawei B315 CPE Wireless Gateway Router

Now Press and hold WPS + Power buttons until red light goes off then release fingers from buttons, shortly after indicator will turn into green color, which means it’s ready for detect/unlock. If device did not remain with green light turned on (or didn’t turn with such color at all) then press and hold WPS + Power buttons until red light goes on and off, then release fingers from buttons and wait for blue indicator light and shortly after it goes off green light appears

3. The third step is to collect your router’s information and start unlocking process

Before detection and unlocking of router check device manager if it is installed correctly. Router should be visible under Modems and Ports sections, only then proceed further.

Right Click on My Computer Icon => Manage => Device Manager, in Ports (COM & LPT) Section you must see COM Ports, such as 3G– Application Interface (COM31) and 3G– PC UI Interface (COM32). If it isn’t visible under mentioned sections drivers might be missing.

Guide How to Unlock Huawei B315 CPE Wireless Gateway Router

UNLOCK PROCESS – Launch DC-unlocker client software

Detect device by selecting Huawei modems from manufacturers drop down menu list, then click magnifying glass button

Huawei modem detect

Wait till program detects it

Guide How to Unlock Huawei B315 CPE Wireless Gateway Router

Get Huawei Code Reader 2015 software and launch it. To extract IMEI and Hash 1 & Hash 2 data from your device, you need to perform a few simple steps and Follow Guidelines:

Green Circle
COM Port, Select Auto Detect or 3G – PC UI Interface (COM32) from the list

Green Circle 2 – Press “Read Data” button.

Green Circle 3If all appears correct, you will receive values in Hash 1 & Hash 2 fields and detail of your device in log window. All other things explained in figure are for information only, don’t be confused.

Take a Screenshot of Huawei Code Reader like this:

Huawei code reader 2015 with Hash

Note: This is very important, copy the values of Hash 1 & Hash 2 separately and detail of your device from log window in a notepad file and remember to save it.

After this, now you need to fill Data Submission Form as shown below. After you fill all fields, press “Submit” button, after it, you will receive a confirmation email.

Huawei Algo V4 Data Submisson Form

After few minutes/hours you will receive an email from containing Unlock Code / NCK (Network Control Key) for your device.

Enter received Unlock Code / NCK into device (via web-interface), click apply and enjoy.


Now it’s free!. It can accept any sim cards from any Mobile Carrier Worldwide.

Note: Check that with non-accepted SIM your device prompts for enter SIMLOCK CODE in web-interface, i.e. you have remaining attempts left. If device is not prompting for SIMLOCK Code then use Mobile Partner or DC-Unlocker for entering unlock code, follow instructions here.

Special Instructions (Not Applicable to All, only Use in Case of Some Issue):

If you have signal problem or service issue after unlocking use following commands which suit you in DC-Unlock, follow instructions here.

After sending commands in DC-Unlocker hit Enter Key, you will receive OK

For Automatic all-band GSM / UMTS / LTE command:

Register to for 3G network first. If 3G is not available then LTE. Will not register if only 2G is available . All frequency bands are selected:

For 4G LTE band only, must use at command to force this router to 4G only

Note: These commands can only be used after getting your modem into download mode after second step mentioned in the start above.