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If there is no signal on your phone or an emergency call prompt is displayed on the screen, it is recommended:
2.If it is a dual-SIM phone, please check whether the SIM card is activated: Settings - SIM Manager - SIM1 SIM2 - Click the SIM card icon - slide to turn on (the operation mode may be slightly different for different models of mobile phones).
3.If there is still no signal, it is recommended to turn off the SIM card and remove it, wipe the SIM card chip with an eraser, and then reinstall it.
4.If it doesn't work, try to change to another location to rule out whether it is caused by poor signal coverage in your location.
5.Try to change the network mode to 3G or 2G (do not select the auto-connect mode). Note: Some machines do not support changing the network mode.
6.Try to change another SIM card.
7.Update your phone's system version: Settings - About Phone (About Device) - Manual Update Automatic Update (Software Update System Update - Update). Note: Please back up the data (contacts, messages, **, etc.) in your device before upgrading.
If there is still no signal or emergency call is displayed after the above operations, please bring the purchase invoice, warranty card and machine to the nearest service center for inspection.
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WiFi signal? A signal amplifier can be purchased.
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1. Adopt the latest wifi technology. If you want to ensure a high-speed network, you must use the latest firmware. Many homes have outdated firmware that is adopted, and.
And the speed is much higher than the other three. However, it should be noted that when increasing the speed of WiFi, be sure to equip a matching network card and wireless router.
2. Turn off or stay away from other interfering devices. Like wireless at home**, microwave ovens and other household appliances can generate electromagnetic waves, which can interfere with wireless routers and affect the signal. And the electrical appliances in the home are indispensable, we can place the router far away from the interfering electrical appliances; It is also possible to purchase a dual-band router to solve this problem.
3. Enhance wifi security to prevent others from stealing. I believe that many people have the experience of using a wifi key to unlock other people's passwords, so they must enhance the security function and use wpa cipher when using wifi at home.
4. Put the router in the best position, many people feel that the router is ugly and hidden in a more hidden place, but if you want the strongest signal, you must place the router in a direction that is not blocked by walls or obstacles. The router can't be placed on the ground, and if you want the highest quality wifi signal throughout your home, it's best to place it in the center of the house.
5. Set up a program that prioritizes broadband occupancy. It is impossible for only one person to use the broadband at home, generally there will be several people using it, such as chatting, online games, documents or online classes, etc., when many people occupy the broadband, it will cause the network speed to slow down, at this time, you can use QoS to ensure broadband. With QoS, you can prioritize some programs, such as taking online lessons over other programs.
In this way, the speed of online classes will be increased, and the required broadband will be met.
6. Make a tool at home to increase wifi coverage. For example, tin foil, cans or stainless steel filter basins can be placed on the router to increase the coverage area of the wireless signal and thus enhance the signal.
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Solution: 1. You can adjust the rate of the router, generally you can enter the settings interface of the router by entering it in the browser of the computer, and click the "Security Settings" option in the settings options of the router to increase the rate of the router.
2. If the room area is relatively large, multiple routers can be connected through the WDS bridging function.
3. You can modify the channel of the router and enter the router settings page to make relevant settings.
Common problems with routers: 1. The antenna of the router should be perpendicular to the ground, so that the wifi signal is the strongest.
2. Do not place the router next to the refrigerator or TV, which may affect the signal transmission.
3. On the settings page of some routers, users can choose the security mode of the router to prevent others from rubbing the network.
Data development: Routers are the main node devices of the Internet. The router determines the data through routing.
Some routers only support a single protocol, but most routers can support the transmission of multiple protocols, that is, multi-protocol routers. Since each protocol has its own rules, the algorithm of completing multiple protocols in one router is bound to reduce the performance of the router.
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To apply for broadband, the broadband service is mainly two operators, telecom and mobile, and you can ask the operator whether there is a broadband service in the area, and then open the broadband service according to the bandwidth and the number of years. After the service is activated, the home is equipped with modems and routers, and enterprises generally have special servers due to more access to network speed and equipment.
2.For broadband setup and connection, the broadband cable is connected to the modem first, the network cable is connected to the modem and the router, and the router and password are set on the computer. The indicator light will be displayed normally.
3.Once the router is set up, you can surf the Internet.
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.Find the perfect location for your router in your home for the best layout. Try to install the router close to the middle of your home to improve the wifi signal.
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If you talk too much, it is not exquisite, but if you say less, you are still not satisfied; So leave it for tomorrow, it may expand, or it may not change. Waking up from a dream is a lie, and a lie is always a whole story. The year before, here, joyful and laughing; In the following year, here, the past is narrated, and the sorrow is repeated.
At the ends of the earth, they only ended up in their own camps.
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If you are using a Huawei phone and the number of signal bars in the status bar of your phone is high or low, we recommend that you take the following steps to solve the problem:
1.Avoid using magnetic metal cases, magnetic stands, or magnetic chucks.
Metals and magnetic materials can easily interfere with the signal, resulting in poor mobile phone signals.
2.Please try to change to another SIM card.
It is recommended that you install other mobile phone cards into your mobile phone to view, if the signal display of other mobile phone cards is normal, it may be that there is a problem with your mobile phone card, it is recommended that you go to the operator's business office to replace a new mobile phone card.
3.Please try moving to your current location.
1) In some closed indoor environments, such as houses with dense spacing between buildings, the mobile phone signal may be blocked, resulting in poor signal. You can get outside to see if your phone signal is back to normal.
2) The degree of network coverage of operators varies according to different regions, and urban areas basically meet the coverage, but some remote areas may have insufficient coverage capacity, which will lead to poor mobile phone signal.
You can determine whether the poor mobile phone signal is caused by the current regional network coverage by whether the mobile phone signal is poor when you are only in the same area, or whether the mobile phone with the same carrier** card in the vicinity also has poor signal.
4.Check that the APN settings are correct.
Incorrect APN settings will affect the normal use of the network.
Method 1: aClick Settings;
c.Click on the APN name (APN) to go to the APN page.
d.Turn on the three dots button in the upper right corner;
e.Click Reset to default.
Method 2: If your phone is EMUI and above or Magic UI and above, or HarmonyOS and above, you can also follow the steps below:
a.Click Settings;
b.Tap Mobile network, then tap Mobile data;
c.Click on the APN name (APN) on the Mobile Data page to go to the APN page.
d.Turn on the three dots button in the upper right corner;
e.Click Reset to default.
Settings > Wireless & Networks > Mobile Networks > Access Point Name (APN) > turn on the three dot buttons in the upper right corner > reset to default.
5.Please try to reset the network settings.
If the above troubleshooting does not resolve your issue, we recommend that you contact Huawei Consumer Service** (950800) for further assistance, or back up your data in advance (WeChat QQ and other apps need to be backed up separately), and bring your purchase voucher to a Huawei customer service center near you.
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To enhance the signal, it is to move different positions, not always in one place, just change the position and direction back and forth, and there will be a signal.
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The first thing to eliminate,Naturally, the mobile phone signal strength is weak caused by the failure of the mobile phone or SIM card,The elimination method is also very simple,Put the card in other mobile phones or other cards in this mobile phone to try to know。
If the built-in antenna of the mobile phone is not in good contact, it can be solved by calibration, and the general mobile phone repair shop can solve it, and the cost is generally about 50-100 yuan.
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How to make the mobile phone Wi-Fi signal enhanced, master tips, improve the speed.
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Enhancing the network signal can be achieved by changing the network parameters, such as changing the frequency or signal strength, which can be operated through the router setting options.
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1. Don't hide the router.
Most people hide routers because they are unsightly or in the way, but keeping them in a closet or cabinet will slow down the wifi: walls and doors will weaken and absorb the signal. Find a central location in your home and place your router on a desk or bookshelf.
Because some routers are set up to emit WiFi downwards, placing it on a higher ground level will distribute the WiFi signal throughout your home.
2. Keep away from household appliances and metal objects.
Microwave ovens, wireless**, fluorescent lamps, and even your neighbor's router can interfere with your WiFi signal.
To reduce this interference, place your router a little further away from the appliance and set it to a different wireless channel and frequency. With the best tools – AcrylicWi-Fi for Windows and AirGrabWi-FiRadar for Mac – you can find the right wireless channel with minimal interference. If you want an easier way, most routers will automatically select the best channel for your location.
3. Restart. This method sounds simple, and most technical support issues are simply a reboot.
4. Update the firmware version.
Updating firmware is an annoying and time-consuming task.
However, if you have an older router, these updates will ensure that the router software is always running at its best and most efficiently. Remember: it's best to buy a new router every 7-8 years.
5. Adjust the router antenna.
Most routers have two adjustable antennas on top. The wifi signal is best when it is parallel to the internal antenna of the device, the built-in antenna in the laptop is horizontal, and the built-in antenna in the desktop is vertical.
The orientation of the internal antennas in the phone varies, depending on how the phone is held. Keeping the antennas perpendicular to each other ensures that both phones and laptops can receive the signal.
What to do if the router signal is poor, come and learn this trick.
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