ZTE MF831 4G USB Modem

LTE CAT4 FDD TDD Multi Mode Dongle
100% Unlocked LTE dongle for Worldwide Use
LTE DL/UL 150/50 Mbps (Category 4)
LTE-FDD 800/900/1800/2600/2100MHz, TDD 2600 OR 2300Mhz

Availability: In stock

Regular Price: $189.00

Special Price $129.00

We provide shipping service to all over the world.

We will ship orders in 24hours after we get the order.

12 Months quality guarranty.

4 Years of 4G mobile broadband devices selling experience.

ZTE MF831 Overview Besides Huawei, ZTE also has a leading position in the 4G area because it has continually introduced high-quality wireless terminals. ZTE MF831 is one of the LTE CAT4 devices that could support LTE FDD, TDD, GSM and UMTS. It is capable of CAT4 downlink speed of up to 150 Mbps with small and compact design. It allows for lower power consumption, better heat dissipation, and better user experience.

zte mf831 sides

ZTE MF831 Specifications

Model Number: ZTE MF831
SIM Lock Status: Unlocked, SIM Free
Form type: 4G USB Modem/4G LTE Datacard
Chipset: Qualcomm 9225
Category: LTE Category 4 (3GPP Release 9) USB Modem
Network Bands:
4G LTE-FDD 800(B20)/900(B8)/1800(B3)/2600(B7)/2100MHz, LTE TDD 2600(B38) OR 2300M(B40)
3G UMTS 900/2100MHz
2G EGPRS/GSM 850/900/1800/1900MHz
Data Rate Speed:
4G FDD link speed: Downstream: 150Mbit/s, Upstream: 50Mbit/s
4G TDD link speed: Downstream: 112Mbit/s, Upstream: 20Mbit/s
3G link speed: Downstream: 42Mbit/s, Upstream: 5.76Mbit/s
Other Features:
MIMO Support: YES, 2 x 2 MIMO for LTE
SD Card Slot: YES, SD card up to 32GB
SMS supporting
USB 2.0 Type
Antenna: Built-in antenna, two external antennas
Dimensions: 90 x 28.4 x 13mm
Weight: 28g
OS Supported: Win7, Windows XP, Vista, Win8, Mac OS
Supported Operators unlocked version to support many worldwide operators

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FAQ & Guides

In this FAQ and Guides section you will find the questions that we are most frequently asked and the useful guides when you use our devices. Please use our FAQ by navigating to the section most relevant to your query. And you also can find an answer to your query by using the guide below, but if not, feel free to contact us as we are only too happy to help.


1. Are the device unlocked totally for any carrier?
Yes. All our 4G CPE, mobile hotspot, and modems are totally unlocked for any carriers. Please choose the ideal device according to your needs.
2. Are the devices original without carrier's logo?
Yes. All our devices are original. However, for some devices there are carrier's logo on the body of the device. If you want the device without carrier's logo, please tell us.
3. How do I know which model should I choose?
All the LTE devices support specified LTE bands. If you don't know which LTE bands you should choose, please ask your local service provider for suggestion. Surely, we also could give our suggestions to you, feel free to contact us anytime. :-)
4. Can you ship order to my address?
Yes. We could ship order to all over the world.
5. How quickly will I receive my package?
We usually ship order in 24hours after we get your order. And it usually take 3-7 working days with express way, and 7-15 working days for post way. However, during Chinese New Year (January 25, 2017 - February 4, 2017), services from certain suppliers and carriers may be affected, meaning that deliveries for order placed around these holidays may be delayed 5-6 days.
6. How Do I Order
Please add the items you want to the shopping cart and then click the proceed to checkout to finish the payment. Or you could also click the "Check out with Paypal" to make the payment quickly.
7. What are my payment options?
We now accept payment via Paypal, Western Union, and bank transfer to our company's bank account.


At Store4G, we always compose useful guides according to users' common question. If you have any question about using our product, please feel free to contact us. Here are the most popular product guides for you.

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