Basicly, there are several general steps that everyone can take to access the 4G network for their smartphone. Especially if your area is confirmed to be supported by a 4G network. as for the steps in question, as follows:
Make Settings on the Network
Enter the Settings menu, then More, select Mobile Networks.
Select the Preferred Network Type menu.
Select LTE (preferred)/WCDMA/GSM.
Smartphones can display the 4G network icon automatically.
Dialing
Enter the call menu, then type *#*#4636#*#* and click call.
Enter the menu list, then select the Phone Information option, Network Type, and select LTE only.
Then press the Back button to lock the 4G LTE network and the 4G network icon will appear automatically on the smartphone.
Apart from using the steps above, there are also other steps that are more specific based on the type of smartphone you are using. This refers to the brand of each smartphone. So, for more details, let's look at the full explanation.
Changing 3G Network to 4G on Xiaomi Smartphone
To make settings on Xiaomi smartphones, there are two methods that can be used. The two methods in question are as follows:
Method 1
Open the Settings menu, then select About Phone.
Click 5 times Internal Storage to enter into the network menu.
Select Phone Information 1 or Phone Information 2.
Then, look for the option Set Preferred Network Type and click LTE/GSM/CDMA auto (PRL), then select CDMA Only.
Repeat the previous steps if the network is lost.
Then, go back to the Settings menu, select SIM Card and Cellular Network.
Then, select SIM 1 or SIM 2, click Preferred Network Type, then click Global.
Method 2
Open the Settings menu, then click 5x on the About Phone option.
Select Phone Info 1 or Phone Info 2.
Open the Set Preferred Network Type menu.
Then, select WCDMA Preferred, then click LTE Only.
Changing 3G Network to 4G on Oppo Smartphone
On an Oppo brand smartphone, you can easily set up a 3G to 4G network in the following way:
Open the Settings menu, then select Dual SIM & Cellular Network.
Select SIM 1 or 2 to be used as an internet network.
Click Preferred Network Type, then select 4G/3G/2G.
Close the Settings application, then enter the Dial menu.
Type *#*#4636#*#* without pressing the Dial button.
A menu of options will appear, then select Phone Information.
Then look for the Set Preferred Network Type option to click on the WCDMA Only section.
Select LTE Only or LTE/GSM/CDMA auto (PRL).
Changing 3G Network to 4G on Samsung Smartphone
Furthermore, for Samsung smartphones, there are 3 ways you can do to change the 3G network to 4G. There are several ways in question:
Using Dials
Open the dial menu, then type *#2263# on the Dial menu without pressing the Call button.
A menu list will appear, then select the LTE Band option, then select All LTE.
Then, delete the GSM and WCDMA settings, then press Apply or Apply.
When the cellphone starts to get crowded with various files, it is important for users to know how to clean the internal memory. Why is that? Because if the cellphone's internal memory is full, it can hinder device performance. As a result, users can no longer store photos, music, videos and other file types. Even worse, some applications may be difficult to open because the cellphone memory is full. If this has happened, activities involving the use of cellphones will certainly be very disturbed. Then, how do you clear the internal memory of a full cellphone? Come on, see the following explanation. Cleaning Rarely Used Applications The first way to clean the internal memory of a full cellphone can be done by deleting several applications that are rarely used. This can be done by uninstalling or uninstalling the application via the Settings menu, then selecting the Apps > Manage Apps option. If you want to sort applications based on size, users can select the Sort by Usage Stor...