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How to Check the 4G band Frequency of any Smartphone without an App


Full 4G coverage in Nigeria is becoming a reality and many internet network providers( MTN, GLO, ETISALAT) are already joining the 4G revolution in Nigeria. The only Network provider that is yet to secure a 4G frequency band is Airtel Nigeria. In this post I am going to show you how to check the 4G band frequency of any smartphone that supports 4G Network.

In Nigeria we have 3 m ajor networks with 4G LTE services , they are MTN, Glo and Etisalat while Spectranet, Ntel, Swift and Smile are the new entrance in the 4G LTE  revolution currently going on in the country. Most of these Network providers in Nigeria use band 3, 4, 7, 20 or 28
. So it is important to check if a phone has 4G LTE support for the newtork provider you are using before making a buying decission.

Internet Network providers in Nigeria and their 4G Band Frequencies

  1. MTN 4G LTE , supports band 20 (800MHz) and Band 7 (2600MHz)
  2. Glo 4G LTE, supports band 28 (700MHz)
  3. Etisalat 4G LTE, supports band 3 (1800MHz)
  4. NTEL 4G LTE, supports band 8 (900MHz) and Band 3 (1800MHz)
  5. Spectranet and Swift, supports band 40 (2300mhz)
  6. Smile, supports band 20 (800mhz)

How to Check the 4G band Frequency of any Smartphone without any App

Before now, you are told to download Engineering mode app from Google PlayStore before you can check the 4G frequency band of a phone,  but with this new process, you won’t be needing any app before you can check your phone 4G frequency band.

To get started, you will need a Unique code to dial and enter the engineering mode of your phone straightaway.

  1. Dial *#9646633# to enter engineering mode and swipe to Telephone Tab
  2. Scroll down to select Band Mode

Check the 4G band Frequency

  1. Tab on Band Mode and select SIM1 if is your default SIM for data otherwise select SIM 2

How to Check the 4G band

  1. Scroll down to LTE MODE and you will see the list of  4G band ticked , the ticked bands are the supported bands for your phone.

How to Check the 4G band Frequency of any Smartphone

Above is how to check the 4G band frequency of any smartphone. Feel free to leave your questions below.


  1. I tried your instructions on my Samsung Galaxy Note 3 (SM-N900) running Android 5-0 and it DID NOT WORK!
    You need to specify what range of devices your instructions above will work on and any other intricate detail required to be followed if it is to work on ANY/ALL device brand/model. If you don’t believe that it failed for me, reply to me with your email and I’ll mail you evidence in the form of a screen video recording of how your instructions failed on my device!

  2. I have a question about the call

    I calling some one Immediately phone it show to Me call ended

  3. Please am getting a reply as
    Em is an advanced debug mode.
    If you want to entry the Em, please entry the developer options at settings!

    • What did was the I plugged my phone to my PC then choose from usb connection mode from there I switched on the developer mode…
      The code actually worked on my k9

  4. Please better change the title of this your post from any mobile phone to mediatek phones only. Because this code will never work on snapdragon phones

    • God bless you, the title is misleading because this process does not work on Samsung devices.

  5. Please admin can you help me with any article on how to unlock all the lte bands on tecno camon cx air


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