How to solve the slash in the circle with line in the upper left corner of the oppo phone,

OPPO phone" in the upper left corner of the circle with a line slash check the signal strength meter on the display. If the signal is weak, move to an open location, and if you are in a building, move to a nearby window. Check the network selection settings.

Try a manual selection, or try another network. Check the map of the network operation area. Do you show Restrict Calls?

Check call prohibition, fixed dialing, and closed user group settings. Whether the call charge cap has been reached.

Because it is generally not passable, the upper left corner should be the source of the telecom service, check the network selection settings. Try a manual selection, or try another network. Check the map of the network operation area.

Do you show Restrict Calls? Check call prohibition, fixed dialing, and closed user group settings, so this is true for phones without a SIM card.

My mobile phone also appears such a phenomenon, repeated switch is not good, the card is removed in the installation back or not good, after the backup to restore the factory settings or not, wifi network can be used, I used WeChat voice to try the earpiece, are good, the final judgment is the SIM card, today to go to the Unicom business hall to spend 15 yuan from the new card skin, put back the phone to make it, the salesman said that the card is not standardized, the card cut I also used for a period of time, suddenly no signal, I thought the mobile phone, Let me tell you, if there is no problem with setting up the operator, the mobile phone takes the card and turns it on, and then backs up and restores the factory settings and tries the handset, it is no problem, that is the card, hey!

This prompt is an intercepted spam call or message, which can be viewed in the security manager.

Summary. Hello, this is the DND mode turned on, except for the allowed disturbance item, the phone received calls, reminders and notifications will be automatically muted (no vibration). But alarms and countdowns are not silenced.

Turn on DND mode.

1.Go to Settings > Turn on Do Not Disturb manually.

2.Turn on your phone, and when it is turned on, the status bar will display the moon icon.

3.You can also choose to turn on automatically, and after selecting the time to turn on, the DND mode will be automatically turned on when the specified time is reached.

4.Timed Do Not Disturb:

Go to Settings > to turn on timed DND, which allows you to set a daily time to go to bed and do not disturb while sleeping. You can also choose which day to repeat.

5.Mute when quiet up** volume.

In Do Not Disturb, if this switch is turned on, the volume will be automatically turned off; When you manually turn up the volume, the switch will automatically turn off.

Allow interruption of content settings.

You can allow notification messages or specific contact calls and messages when DND is turned on.

1.On the Do Not Disturb Settings page, turn on Allow notifications.

2.Click Allow the following information, Allow the following calls to select a contact.

Repeated call ringing: After turning on the ring switch for repeating calls, repeated calls from the same number within 3 minutes will ring normally.

The oppo phone has a circle on it, a slash in the middle of the circle, that's what is it, how to cancel, thank you.

Hello, this is the DND mode turned on, except for the allowed disturbance item, the phone received calls, reminders and notifications will be automatically muted (no vibration). But alarms and countdowns are not silenced. Turn on DND mode1

Go to Settings > Turn on Do Not Disturb manually. 2.Turn on your phone to open the studio, and after opening, the status bar will display the moon icon.

3.You can also choose to turn on automatically, and after you choose to take advantage of the opening time, the DND mode will be automatically turned on when the specified time is reached. 4.

Timed Do Not Disturb: Go to Settings > to enable Timer Do Not Disturb, after enabled, you can set a daily sleep time, and you can take Do Not Disturb during sleep. You can also choose which day to repeat.

5.Mute when Do Not Disturb**Volume is under Do Not Disturb, if you turn on this switch,**Volume will automatically turn off; When you manually turn up the volume, the switch will automatically turn off. Allow Interruption settingsYou can allow notification messages or specific contact calls and messages when Do Not Disturb is turned on.

1.On the Do Not Disturb Settings page, turn on Allow notifications. 2.

Click Allow the following information, Allow the following calls to select a contact. Repeated call ringing: After turning on the ring switch for repeating calls, repeated calls from the same number within 3 minutes will ring normally.

The above operation is suitable for all OPPO models.

Another possibility is that the status bar of the phone shows a slash in the middle of a circle, indicating that the network is unavailable in the current area, that is, there is no signal.

You can try reinstalling the SIM card.

This is a sign that the SIM inside the phone is not recognized or the SIM card is invalid.

1. If the SIM is not placed correctly, the cherry blossoms will be re-placed correctly after being taken out.

2. If the SIM is damaged, you can go to the operator's business office to replace the SIM card with a new one.

3. The SIM card is not enabled, and the method of enabling the SIM card is as follows:

Summary. Hello pro, the method is as follows, I hope it will be helpful to pro 1 Open the desktop of the phone, and you can see a circle and slash symbol in the upper left corner of the screen. 2Swipe at the top of the screen, open Quick Settings, and press and hold [Mobile Data].

3. Select [Internet Access] in the network settings and click to enter. 4. Change the Internet access settings from one card to another, and click [Switch]. 5. After the switch is completed, when you return to the desktop of your phone, you can see that the circle and slash in the upper left corner of the screen are gone.

Hello pro, the method is as follows, I hope to answer the pro as if you help 1 Open the mobile phone desktop, you can see a circle and slash symbol in the upper left corner of the screen. 2Swipe down at the top of the screen, open Quick Settings, and press and hold Mobile Data Balance. 3. Select [Internet Access] in the network settings and click to enter.

4. Change the Internet access settings from one card to another card, and click [Switch]. 5. After the switch is completed, when you return to the desktop of your phone, you can see that the circle and slash in the upper left corner of the screen are gone.

This means that the phone has no signal for the time being.

How to query the strength of the mobile phone signal.

In the upper left corner of the mobile phone notification bar, you can check the strength and change of the mobile phone signal, and you can also enter Settings - About the mobile phone - More - SIM card status - signal strength to see the specific signal strength value.

Reasons and solutions for no signal on your phone.

1. Check the network coverage area.

If the network mode you choose to use is not covered locally, it is recommended to go to Settings - Dual SIM and Mobile Network to change the network mode.

2. Change the use position.

The location of the mobile phone is used to cover weak signal coverage, signal alternation area, or there is strong magnetic field interference in the surrounding environment, which will affect the mobile phone signal, and the position can be replaced.

3. Check the SIM card.

The location of the mobile phone is used to cover weak signal coverage, signal alternation area, or there is strong magnetic field interference in the surrounding environment, which will affect the mobile phone signal, and the position can be replaced.

Summary. Hello dear, this is a no signal sign. 1. It is recommended to use the original protective case of the mobile phone, not the metal or gold-plated protective case.

2. If you are in a special area (bus station, high-speed rail station, basement, elevator), the mobile phone signal will be affected, it is recommended that you leave such an area for a distance and try again. 3. If the SIM card hardware is damaged, it can also cause the signal to be abnormal, it is recommended that you swap the SIM card to other mobile phones for comparison. 4. If there are problems with other mobile phones in the same area, it can be determined that it is a network problem with the operator, and it is recommended that you feedback the problem to the operator for processing.

Hello dear, this is no signal sign friend. 1. It is recommended to use the original protective case of the mobile phone, not the metal or gold-plated protective case. 2. If you are in a special area (bus station, high-speed rail station, underground Haozhou room, elevator), the mobile phone signal will be affected, it is recommended that you leave such areas for a distance and try again.

3. If the SIM card hardware is damaged, it can also cause the signal to be abnormal, it is recommended that you swap the SIM card to other mobile phones for comparison. 4. If there are problems with other mobile phones in the same area, it can be determined that it is a network problem with the operator, and it is recommended that you feedback the problem to the operator for processing.

I don't have a card, I use a wireless network, but I can use other mobile phones.

This sign means that the phone has no signal.

So what to do? This is the sign that the OPPO mobile phone does not believe in the empty number, it may be that the signal receiver or cable of the mobile phone is damaged, and it is recommended to go to the local OPPO after-sales service center to carry out a comprehensive overhaul of the mobile phone.

Hello dear! We'll be happy to answer for you. You can find that there is a circle on the signal icon in the upper left corner of the OPPO mobile phone, and a slash in it indicates that there is no network status, which can also be understood as the status of "no macro service".

This icon usually appears when the phone has no signal, the SIM card is not inserted, the communication module is faulty, etc. If your OPPO phone keeps showing this icon, it is recommended that you check whether you have inserted the correct SIM card or try to restart the phone, if it still can't solve the problem, you can contact the operator or OPPO customer service to consult the pure bird register and deal with it.