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Open the dial pad of your iPhone and enter *3001*, the field test interface appears, touch the signal in the upper left corner directly with your hand - switch to the prototype - and then press the home button to exit, you can change the signal grid of the Apple mobile phone from a number to a signal.
1.First enter the phone's ** interface, enter *3001 * in the **interface, and then type out, at this time, an iOS built-in application Field Test will appear.
2.Next, we directly press and hold the power button of iphone5 or iphone6, press it firmly as if you want to turn off the phone, hold it for a few seconds, and press until the phone appears on the shutdown interface, but you can't go to turn it off.
3.The meter is displayed in the "slide to shut down" interface, then press and hold the home button, still continue to press and hold until the meter does not display "slide to shut down" to return to the main interface, at this time, the upper left corner of the main interface will continue to display the digital signal, the smaller the digital signal, the stronger the signal, ranging from -40 to -100.
4.Generally, between -40 and -50 is attached to the base station, indicating that the signal is excellent; Between -50 and --60, the signal is very good, between -60 and --70 means good, between -70 and --80 is weak, at this time it is a little stuck, and between -80 and -90 means that the signal is very weak; -90-100 signal is very weak, basically can only play ** send text messages.
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Here's how a signal turns into a number:
1 Open the dialing interface, enter *3001* and press the dial key, then an interface will pop up, you will see that the signal display in the upper left corner is a number, click it with your hand to switch between the two display modes.
2 Press and hold the power button of the phone, and when the prompt slides to shut down, then press and hold the home button of the phone until the screen returns to the desktop of the phone.
3 Press and hold the Home button until you return to the Home screen, then you can see if the signal in the upper left corner of the screen has become a number.
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1. Unlock and turn on the phone, and then turn on the dial pad.
2. Enter *3001 * on the keypad and click the dial key.
3. A program appears, and the built-in application Fieid Test of the mobile phone is launched.
4. Next, press the shutdown button, and after the sliding shutdown interface appears, release the power button. Press and hold the home button until the shutdown reminder disappears, so that it can be converted into a number.
5. Double-click the signal key to convert between digital icons.
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It is determined by the system version and cannot be changed by yourself. Downgrading cannot be done after upgrading iOS11, so it cannot be changed.
I haven't upgraded the ios11 user signal dot to number method:
1. Enter the keypad of the jet dial: *3001 * point call.
2. The mobile phone will automatically switch to the field test startup page, and the signal strength value will be displayed in the upper left corner.
3. The dotted signal grid is gone, but the revolution has not yet been completely victorious, so let's go down.
4. Start holding the top power key of your iPhone until the "Slide to power off" slider appears. Don't let go.
5. After the "Slide to Power Off" slider appears, don't let go of the power button and press and hold the home button at the same time.
6. Press and hold the two buttons at the same time for about 5 seconds, and the phone will restart.
7. It's done, and the signal has become digital.
The two methods can be converted to each other with just one tap.
Recovery Dot Icon Method:
1. Dial pad input: *3001 * call the dust stove.
2. The mobile phone faction will automatically switch to the field test startup page, press home directly to exit, and you're good to go!!
3. Dialing once may not be successful, you can dial it several times!
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1. The first step is to unlock the mobile phone to enter the desktop, click the [Dialing] icon on the desktop of the mobile phone, please refer to the following figure
2. Next, after entering the mobile phone dialing interface, type [3001 12345] and click to dial, please refer to the following figure
3. Then, the phone screen will jump to the interface below, indicating that the change command has been successful. Please refer to the figure below
4. The last step is to return to the desktop of the phone. In the upper left corner of the screen, you can see that the signal of the mobile phone has become a dot, please refer to the following figure
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1. First of all, let's take a look at the signal pattern under normal conditions.
The picture shows a 4-grid signal, and the signal is relatively good.
2. Open the call interface and enter the icon **:*3001* through the dialpad. Then tap Call.
3. Enter this interface and leave it alone. Next, press and hold the power off button until the power off prompt appears.
4. Press and hold the home button until you return to the main interface.
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Enter the **Dial interface:
Enter *3001
Then click the [Call] button, at this time, the iOS built-in app Field Test has been opened, and the signal dot in the upper left corner of the screen has also become a digital display of the exact value.
Press and hold the Power On and Off button until the shutdown slider interface appears.
Press and hold the [Home] button at the bottom of the screen without letting go, the system will return to the desktop, and the dot signal will be changed to display the exact signal value digitally. Tap a number to switch between the dot and the number at will. (Note:.)
If you can't switch to the dot display when you tap a number on the desktop, you need to go to a random software, and then tap the number to switch, and then return to the desktop to switch at will. )
If you need to switch back to permanent dot display from dot to number, re-enter the [**] interface, then enter *3001 * on the dial screen to start the iOS built-in app Field Test, and then press the [Home] button at the bottom of the screen to return to the desktop.
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Here's how to change the iPhone signal icon:the environment: iphone11, settings, etc.
1. Go to Settings on your phone.
2. In the Settings Calendar page, click to enter Display and Brightness.
3. After entering the display and brightness page, find the column that displays celery rows.
4. Click the zoom display option in the display column.
5. Click to select a larger font to change the signal icon display.
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1. First of all, let's take a look at the signal pattern under normal conditions.
The picture shows a 4-grid signal, and the signal is relatively good.
2. Open the call interface and enter the icon **:*3001* through the dialpad. Then tap Call.
3. Enter this interface and leave it alone. Next, press and hold the power off button until the power off prompt appears.
4. Press and hold the home button until you return to the main interface.
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1. Unlock and turn on the phone and turn on the dial pad.
2. Enter *3001 * on the keypad and click the dial key.
3. Then a program will appear, and the built-in app Fieid Test will be launched.
4. After that, press the power off button, and after the sliding shutdown interface appears, let go of the power button. Press and hold the home button until the shutdown reminder disappears, and then it will be converted to a number.
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First click on the ** button - type *3001* on the keypad, then click on the dial key. When the built-in Fieid Test is activated, the mobile phone signal immediately becomes the exact digital strength. Then press and hold the power button until "Slide to power off" appears, then relax the power button.
Finally, press and hold the home button until "Slide to Power Off" disappears. Okay, is the signal going digital now? Moreover, the click signal can be converted between analog and digital.
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It depends on the mobile phone system, pro-test, 11's system is not supported, and those who still use the old method should be beaten and waste time
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Signal Test The first step is to enter "**".
Step 2, type *3001* on the keypad and press the "Call" button.
At this point, the iOS built-in app "Field Test" is launched, and the exact value of the signal strength appears in the upper left corner.
Step 3, press and hold the iPhone's on/off key (i.e., the top power key) until "Slide to Power Off" appears
Step 4, Finally, press and hold the Home button until the power off slider disappears and your iPhone will come back to the home screen interface.
Step 5, at this time, the upper left corner of the iPhone screen will display the value of the signal strength at this time, we can click on it to switch between the number and the signal grid.
Regarding the "value" of this signal, the lower the signal, the worse the signal. Let me give you a few references: the signal between -40 and 50 is near the base station; -50-60 signal is very good; -60-70 signal is considered good; -70-80 is a slightly weaker signal; -80-90 is a weak signal; -90 or less is the basic communication state.
If it's -100, it's recommended.
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Dial, enter *3001*, dial out, the number appears, and then press and hold the shutdown button, the shutdown screen appears, at this time, let go of the shutdown button, keep holding down the home button, and wait until the screen restores the desktop, the number has always appeared.
In general, between -40 and -50 is near the base station;
-50-60 signal is very good;
-60-70 signal is considered good;
-70-80 is a slightly weaker signal;
-80-90 is a weak signal;
-90 or less is the basic communication state.
100, it is recommended to sleep at night or turn on the airplane mode, otherwise it will consume power and radiate a lot!
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1. Tap "**" on the standby page of the phone, enter *3001* in the dial pad, and then press the "Call" button. 2. Then you will enter the signal digital display interface, at this time, long press the "power on" button of the mobile phone, and then press and hold the "home" button of the mobile phone after the prompt of "slide to turn off" appears, so that it will return to the standby page, at this time the signal is no longer a small dot, but a digital display. In this way, the iPhone 5S signal display number is also completed.
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Do it in your order, you can't change the numbers.
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