Changing the operator display name (PLMN) on the smartphone screen is a task that may be needed in a variety of situations. Most often, users encounter this need when using virtual operators (MVNO), which operate on the infrastructure of large networks, but want to display their own unique name. Sometimes this is required for the aesthetics of the interface or in order to hide the fact of using roaming while traveling.
It is worth noting right away that this cannot be done using standard means through the usual settings menu. Android by default, it takes information directly from the cell tower, and you can override this parameter at the user interface level It is impossible without special tools. You will need access to hidden sections of the system or use USB debugging.
In this article we will examine in detail the legal and technical ways to change the name of the network. We will look at working with the engineering menu, using ADB commands and manually editing configuration files. Be careful: interfering with the parameters of the radio module requires precision, since an error can lead to temporary loss of the signal.
Why does a smartphone show someone else's operator
Many users are surprised to see the name of a large federal operator on the screen, although the tariff was issued by a well-known provider. This is due to the architecture of cellular networks. Virtual operators do not have their own towers, they rent frequencies from the Big Three or Four.
The phone reads the mobile network code MCC (country code) and MNC (network code) from the base station broadcast. It is this combination of numbers that is programmed into the database of your smartphone and compared with the text name. If there is no entry in the database for a specific MNC virtual operator, the system pulls up the name of the infrastructure owner.
There is also the problem of profile โstickingโ. When you change your SIM card or move to another region, your phone may retain the cached name of the previous network. In such cases, simply rebooting the device often does not help, and forced clearing of network parameters or manual editing of registration files is required.
โ ๏ธ Attention: Changing network parameters can lead to incorrect operation of mobile data transmission or problems with receiving calls in areas with an uncertain signal. You perform all actions at your own peril and risk.
Using the engineering menu to change PLMN
The fastest way to try to change the name of the network is to use the built-in engineering menu. This is a hidden section of the system intended for engineers to test equipment. Access to it depends on the processor manufacturer and model of your device.
To enter the menu, special USSD codes are usually used, which must be dialed in the "Phone" application. The most common combinations for different chipsets:
- ๐ฑ For processors MediaTek:
##3646633##or##4636## - ๐ฑ For processors Qualcomm:
##4636##or*#0011# - ๐ฑ For devices Samsung:
#0011#or#2263# - ๐ฑ Universal test mode:
##4636##
Once in the menu, you need to find the section related to the radio module settings. Look for tabs with names Phone Information, BandMode or CDS Information. In some firmware there is a field Set PS Network or Operator Namewhere you can manually enter the desired name.
If you find an input field, enter the name of your operator there in Latin letters (for example, Yota or Tinkoff) and press button Set or Update. After this, be sure to restart your device. Unfortunately, on modern versions of Android (starting from 10 and higher), access to these fields is often blocked by the manufacturer.
Advanced method: editing via ADB
If the engineering menu does not give the desired results or the fields are blocked, the only working option is to use USB debugging. This method requires connecting the smartphone to the computer and installing the utility ADB (Android Debug Bridge).
First, you need to activate developer mode. Go to Settings โ About phone and quickly click 7 times on the item Build number. After the message โYou have become a developerโ appears, go to the new menu and turn on the toggle switch USB debugging.
Connect the phone to the PC and open the command line. You will need to gain root access or use special commands to write to system tables. The sequence of actions is as follows:
adb shellsu
settings put global operator_alias_override "YOUR_OPERATOR"
service call phone 1 s16 "YOUR_OPERATOR"
However, there is no universal command, since each manufacturer (Xiaomi, Samsung, Pixel) stores this data differently. File editing is often required build.prop or settings database. If the command above did not work, try finding specific instructions for your model on specialized forums.
โ๏ธ Preparing to work with ADB
โ ๏ธ Attention: ADB commands provide deep access to the system. An error in the syntax can lead to a โbootlapโ (cyclic reboot) of the device. Make a backup copy of your data before starting work.
Comparison of methods for changing the network name
The choice of method depends on your technical background and device model. Below is a table comparing the effectiveness of various approaches to solving this problem.
| Method | Complexity | Requires Root | Efficiency |
|---|---|---|---|
| Engineering menu | Low | No | Medium (depending on the firmware) |
| ADB commands | High | Often required | High |
| File editing | Very high | Required | Maximum |
| Third-party applications | Low | Depends on the application | Low (often fake) |
As can be seen from the table, the most reliable, but also the most difficult way is to directly edit system files. Applications from the Play Market that promise to change the operator with one button, in 90% of cases simply change the picture in the status bar without affecting the real parameters of the modem.
Why are fake applications so popular?
The developers of such utilities know that users want a simple result. They create the illusion of change by replacing the text in the Android interface, but when you reboot or make a call, the system again requests data from the network, and the real name of the operator pops up.
Manual editing of configuration files
For those who have root access and are ready for deep intervention, there is a method for editing the radio module configuration files. These files are usually located in the directory /system/etc/firmware or /vendor/etc.
You will need a file manager with superuser rights, for example Root Explorer or MT Manager. Look for files with the extension .mbn, .xml or .conf, the name of which contains the words plmn, operator or network.
Opening the file in a text editor, find the line corresponding to your network code (MCC+MNC). Next to the numbers there will be a text field with the name. Replace it with what you need. Do not change the line length radically, so as not to break the file structure. After saving, change the file permissions to rw-r--r-- (644) and restart the phone.
Before editing any system file, be sure to create a copy of it in the Download folder. If the phone stops receiving the network, you can restore the original through recovery.
Possible problems and solutions
After successfully changing the name, you may encounter the fact that the phone begins to lose the network while moving. This is due to the fact that some base stations check the consistency of the declared name and the real network code to protect against fraud attacks.
Another common problem is resetting the settings after a system update. OTA (over the air) updates often overwrite modified system files with the original versions. In this case, the procedure will have to be repeated again after each major update.
If your Internet is lost (APN settings are lost), go to Settings โ SIM cards and mobile networks โ Access points (APN). Create a new point manually, taking the parameters from the official website of your operator. Do not rely on automatic configuration after tampering with system files.
โ ๏ธ Attention: Menu interfaces and file paths may differ depending on the version of Android and the manufacturer's shell (MIUI, OneUI, ColorOS). Always check the documentation for your specific model before editing files.
Changing the operator name is a cosmetic modification that does not improve the quality of communication, but may be required for the correct operation of some applications associated with the network brand.
Frequently asked questions (FAQ)
Will the operator name change if I insert a SIM card into another phone?
No. The settings that you changed are stored in the memory of a specific smartphone (in the firmware or system files). Another device will display the name that is hardwired into its database or that is broadcast by the tower.
Does changing the name affect Internet speed?
Technically, no. This is just a text label. However, if in the process of editing files you accidentally damaged the configuration of the radio module, the phone may select frequencies incorrectly (for example, not switch to 4G), which will indirectly reduce the speed.
Is it possible to put an emoticon instead of the operator's name?
Theoretically, yes, if the file encoding supports UTF-8 and the phone interface can display emoji in the status bar. But in practice, many system fonts replace unknown characters with squares, so the result can be unpredictable.
How to get everything back if something went wrong?
The easiest way is to reset the network settings (Settings โ System โ Reset settings โ Reset Wi-Fi, mobile data and Bluetooth settings). As a last resort, a full reset to factory settings (Hard Reset) will help.
Does this method work on iPhone?
No. In iOS, the system is much more closed. Without jailbreaking, it is impossible to change the operator's name even through engineering codes, which also exist there, but have reduced functionality.