vivoY35A, why is the signal so bad?

Both machines are very good, but if you like KSong, etc., it is recommended to buy X5, X5 is equipped with a professional-grade karaoke digital surround sound signal processing chip on the smart terminal device - Yamaha YSS205X, bringing you a better mobile KTV** experience. Equipped with 8 kinds of classic sound effects, recording studio, KTV, classic male voice, classic female voice, concert, ** hall, empty valley, gramophone, listen to what you sing in real time, and help you create your own live feast. The X5 is equipped with the CS4398 DAC jointly customized version of Vivo and Cirrus Logic, and is equipped with the MAX97220 headphone amplifier to greatly improve comfort and hearing resistance.

You can find out.

The mobile phone signal is not good, it can be dealt with as follows:

1. Confirm whether to use third-party magnetic or metal accessories.

Please check whether you use accessories such as metal protective cases, magnetic protective cases, magnetic brackets, metal and magnetic materials.

It is easy to interfere with signal reception, so it is recommended that you remove the accessories to check.

2. Check whether the current environment covers the operator's network.

If you are in a closed indoor environment (such as a basement, elevator, etc.), the mobile phone signal may be blocked, resulting in poor signal, you can go to an outdoor environment to check. If you are in a remote area and the signal may be poor, you can determine whether it is the cause of network coverage by using the mobile phone signal of the same operator's network in the vicinity.

3. Check the SIM card.

Perform cross-swap card verification.

Observe whether there is dirt or oxide on the metal surface of the SIM card, and check it after cleaning. If you use a tailor-made SIM card, it is recommended to replace it with a standard SIM card. Install the SIM card to another device, or install another SIM card to your mobile phone for comparison and testing to determine whether it is a SIM card failure.

If it is a SIM card reason, it is recommended that you go to the operator's office to replace the card.

4. Reset network settings.

Go to Settings - System Management - Backup & Reset - Reset Network Settings - Select the corresponding SIM card - Reset Settings, and then use View.

Resetting network settings resets Wi-Fi, mobile data, and Bluetooth connection records.

5. Back up your data.

After that, go to Phone Settings - System Management - Backup & Reset to restore all settings. This operation will not delete the data in the phone, but will restore all the settings in the phone, including: the wallpaper set, the unlock style, wifi, the default opening program, etc., and the third-party software logged in the phone also needs to be logged in again.

If the above method is invalid after operation, you can timely bring the mobile phone and the purchase voucher to the customer service center for testing and processing, customer service center address: enter the vivo official website vivo**app--my service outlets or vivo official website web version--slide bottom--service support--service outlets query--select provinces and cities to query the customer service center address. It is recommended to connect the branch system in advance before going to avoid empty running, plan the itinerary reasonably, and travel safely.

The vivoy53s signal is not good as follows.

1.Distance. The signal decreases with distance.

2.Obstructions. The signal travels in a straight line, and if there is an obstacle on the way, the signal will become weaker, and the more obstacles, the weaker the signal.

3.Geographical location. If the current environment belongs to a weak signal area, such as elevators, trains, underpasses, indoors, rural areas and other relatively remote or closed places, a weak mobile phone signal is inevitable.

4.Carrier networks. The farther away from the base station, the worse the signal to receive the date band.

1. Reasons for poor network quality.

If the same phenomenon occurs in the vicinity of mobile phones using the same carrier card, it may be caused by poor network quality in the current location.

2. Check your phone settings.

Open your phone's shortcut bar (scroll up at the top or up at the bottom) to see if data is turned on.

3. Confirm the status of the mobile phone card.

Please make sure that the balance of the mobile phone card is sufficient, if the payment is in arrears, please restart the mobile phone after the recharge is successful. Check with your carrier to see if the data** has reached the data limit. If necessary, you can change the SIM card that can access the Internet normally to confirm.

4. Check the mobile phone signal.

If your phone uses a metal, magnetic case or bracket that has an impact on your phone's signal, we recommend that you remove it and try it.

5. Check the network settings.

Please go to Mobile Settings - Mobile Network Dual SIM and Mobile Network - Mobile Unicom Telecom Radio and Television - Access Point (APN) and click here"Danxiang carries the reset to the default settings"restart your phone.

6. Reset network settingsYanzhen will delete and disconnect the connection, pairing records and other networks of WLAN, mobile data network, Bluetooth and other networks, you can go to Settings - System Management - Backup and Reset - Reset Network Settings - Enter the lock screen password.

7. You can enter the Settings - System Management - Backup & Reset - Restore All Settings - Restore and Restore Settings option. This operation will not delete the **file,It will cancel the password,Restore all settings,Including:Set wallpaper、Unlock style、WiFi、Default opening program, etc.,The login software account also needs to be logged in again。

Note: Go to Cloud Service - Device Cloud Backup - Backup Data Type - System Data - Return - Back to Back Up Now to back up some system settings and desktop layout; Cloud service--Data synchronization--Turn on WLAN, Bluetooth, etc. to synchronize data to cloud service.

If the mobile phone signal is poor

It is because the DU signal will be affected by the terrain and landform in the process of propagation

Vivo Y55A phoneThe signal is not goodYesRefer to the following methods to solve the problem

OneChange the network environment

The mobile phone is located in some tall college buildings, basements, parking lots, etc., which will affect the signal; If you are in a closed place (e.g., an elevator) or in a remote area, it is easier to disconnect your phone from the outside world.

IIRe-register for the network: You can restart your phone to re-register for the network.

IIIDetermine whether the SIM card is valid or not: If the SIM card is not installed properly, or the SIM card is damaged, the signal will inevitably be affected. You can remove the SIM card and reinstall it, or try a different SIM card.

FourthCarrier network issues: If the signal of the mobile phone suddenly deteriorates during a certain period of time, it may be a problem with the operator's network. It is recommended to compare mobile phones with the same carrier SIM card in the same environment to see if there is the same situation, and you can try it at another time period.

FiveWhether or not to use a metal protective case: The metal case will have a certain impact on the mobile phone signal. It is recommended to remove the metal case, replace the factory mobile phone case to protect the phone, and then observe and use it.

IfThere is a private dismantling of the phone, recommendedGo to the vivo after-sales service center for processingSteps:

1. Enter the settings on the standby desktop.

3. After-sales service.

4. Select the province and city where you are located to inquire about the after-sales address.

Note: You can call ** first to confirm the after-sales working hours and plan the itinerary reasonably.

If there is a mobile phone signal.

Copying is unstable, it is recommended that you try it according to the following methods:

1. Restart the phone and observe whether it returns to normal;

2. Try to re-insert or replace the SIM card to eliminate the SIM card failure;

If none of the above methods can solve your problem, please bring the purchase invoice, warranty card and mobile phone to the nearest OPPO customer service center for testing and processing.

Hello! We are sorry that we cannot help you, but the factory is currently unable to use technical means to shield or recover lost phones.

1. Report the loss of the SIM card immediately and ask for shutdown.

2. If the phone is stolen, all the items and your contacts will be exposed to other people's hands. Therefore, in order to prevent fraud and other behaviors, when you replace the card, you should quickly notify your contacts through various channels that your mobile phone has been lost, do not trust any remittance, recharge and other information.

3. Many mobile phone applications, such as QQ, save the password and log in automatically. When your phone is stolen, you should immediately change the login password of these apps to prevent further loss of personal privacy.

4. Quickly replace the card. Based on the first point, if you don't know your service password and can't be stopped, you should quickly get your ID card to replace the card, so as to avoid the person who stole your mobile phone from making long-distance calls**, etc., resulting in the loss of your phone bill; Based on the second point, you need to notify your contact person in time, and you should also replace the card in time.

The reason why there is no signal on vivo mobile phones is that the signal will be affected by various factors such as terrain, landform, and high-rise buildings during the propagation process, and if you are in a relatively closed place, the signal will be affected. Here's how to deal with it:

1.Turn the phone back on and off and try again;

2.Swap the SIM card to a family member's or friend's phone and try again;

3.Check to see if other Unicom users around you have a signal;

If there is no signal, you can contact human customer service for feedback.

The poor mobile phone signal is because the signal will be affected by various factors such as terrain, landform, and high-rise buildings during the propagation process, and if you are in a relatively closed place, the signal will be affected. You can restart your phone, or change the SIM card to a family friend's phone to try again, and see if the signal of other connected users around you is working. If your signal problem cannot be solved, please contact the local customer service for consultation.

According to your description, you can try it by following the instructions below

1. Restart the phone and let the phone re-register the network;

2. Take out the SIM card and reinsert it or replace the SIM card to eliminate the SIM card failure;

3. Use after changing the network environment and time period, and you can also compare other mobile phones (using the same network) to see if this phenomenon exists, if it also exists, it may be caused by the poor signal coverage of your local network operator. For example, some tall buildings, basements, parking lots, remote mountainous areas, etc. can affect the mobile phone signal.

If you still can't solve the problem after operating the above methods, please bring the purchase invoice, warranty card and mobile phone to the nearest vivo after-sales service center for testing and processing, and the after-sales service center address can be found in the settings - more settings - after-sales service menu.

The wifi signal connected to the mobile phone is weak, and there are several situations:

1. Keep your phone away from the wifi signal source, please observe it after getting closer.

2. The wifi signal is weak for a short time, you can try to restart the phone and change the time period connection.

3. For router reasons, please try to connect to other wifi for comparison.

4. The other mobile phones are connected to the wifi signal normally, and the signal of the machine is weak, please bring the purchase invoice and mobile phone warranty card, and back up the important data of the mobile phone, go to the vivo after-sales service center for detection and processing, and the after-sales service center address can be found in the settings - more settings - after-sales service menu.

vivoy35wifi signal is terrible, I knew I wouldn't buy it.

Mine is also looking at Kuaishou cards.