How To Guide Lock 4G Only or LTE Only On Samsung without Root

After a long research today I found a trick to lock 4G Only or LTE Only on Samsung devices. This method works without root access. Many users always face network problems in many areas, cellular networks always want a good connection so that if their 4G network is of a smaller quality than the 3G network then the connection will be an automatic switch from 4G to the 3G network. So at this point, you will face some problems call call.

4G Key Only or Only LTE at Samsung

Today we share tricks that lock only LTE or 4G only on Samsung devices. This provides more connection quality, as well as good network speed than before. The LTE network can only be used for internet data, while the function of calls and SMS is not possible through the LTE network.

The LTE mode is all you need when you are in an area with a weak LTE signal. If you have changed or locked the LTE option then you will get a fast internet connection through the LTE network.

Here we share two methods for locking or activating 4G Only mode on Samsung Qualcomm and MediaTek devices. To do this, follow these steps to learn how to Lock 4G Only or LTE Only on Samsung without Root.

Key to 4G / LTE Only Mode on Samsung Qualcomm devices

• Enter * # 0011 #
• Menu (top right button)> Enter Key> Type "Q" and press "OK"
• Once again enter Key Input> Type "0000" and press "OK" and WAIT 10 Seconds.
• If you get a "0" response. Restart from the first step, it will work.
• If the system is OK you will see "Main Menu".
• Select Options [2] UE Settings & Info.
• Then Options [1] Settings> [1] Protocol> [2] Nas> [1] Network Control> [4] Band Selection - Note if you are a Duo then select SIM1 or SIM2.
• Then select [4] LTE Band Preference (Automatically to disable LTE mode only).
• Now choose [8] LTE All.

Lock 4G/LTE Only Mode on Samsung MediaTek device

• You must be Using SIM 1 as Mobile data internet connection.
• Download and Install “MTK Engineer App” from google play store.
• RUN the App that you have installed above.
• You can see three menus: 1. MTK Engineer Mode; 2. Android Testing; 3. LTE Switcher.
• Now select the third menu (LTE Switcher).
• After that, In part set preferred network type, select LTE Only.
• Now reboot your device and enjoy.

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