Android 2 2 can t use wifi without solution?

After entering the password, click to connect, and so on after searching for the IP, it will prompt you whether the connection is successful, the wifi sign will appear if it is successful, if not, it will be scanned again, if it is not successful, the biggest possibility is that the password is wrong, and the mobile phone itself rarely cannot be connected.

The reasons why Android can't use wifi are as follows:

The wifi phone module is damaged and needs to be replaced.

The network wifi signal is too weak, and the network environment needs to be replaced.

The Android system is broken and needs to be upgraded to the latest Android version.

This is a mobile phone system problem, and this is the problem with my colleague's mobile phone. Flashing the phone and upgrading the mobile phone system can solve the problem. I don't dare to brush it, so I will give you the phone for free after sale.

The classmates couldn't connect to the wifi two days ago, but the result was that the customer service was solved by flashing, and the system was brushed. However, the system can definitely use wifi, but maybe the current firmware version in your phone is not very stable.........

Sometimes it's not just a static IP that needs to be set, but also a DNS server address! If you don't know, you can open the name of the connection that connects to the wifi on the computer (double-click on the connection to view the details) and you can find it, both of which need to be filled in. There is also a gateway to fill in, except for the IP address, the rest are filled in according to that detailed address.

Upstairs is the DNS server address to set the local carrier server address, or use googel's.

Specifically: Primary DNS:

Backup: Okay, now you'll definitely be able to access the Internet.

It may be a problem with the ROM Try it with a different firmware.

The router doesn't do mac filtering, and if it does, it won't go up.

1. First of all, make sure that your router is not working normally, you can use other mobile phones or digital products to connect to the wifi hotspot J type, if you can connect normally and surf the Internet normally, then generally this wireless router can work normally.

2. Secondly, make sure that the mobile phone with a problem with the wifi connection does not have the option to turn off the network in the sleep state, and there are many children's shoes that their mobile phones will be disconnected after a period of time or can not receive the information of the background chat software, most of them are because they inadvertently or mistakenly turn on the option of turning off the network from the mobile phone.

3. Wireless router problem:

1) Dead cycle - many wireless routers sometimes have a connection into a dead loop, that is, they keep getting IP and connecting, but they can't connect to wifi hotspots. - Let's try the all-purpose fix - restart. After turning off the power of the wireless router completely, turn it back on again after about 10 minutes.

2) Whether there are too many wifi connection devices - too many digital devices connected to the wifi of a wireless router will put a lot of pressure on the wireless router dust Kai, it is easy to cause IP conflicts and cannot be connected - such a problem can be solved by setting a static IP for each device connected through WiFi.

1. If the opportunity allows; Restart the wireless router; See if you can solve the problem.

2. In Make sure your phone is within the wireless network coverage range, click "Scan" to refresh the wireless network list.

3. Connect the computer to the router through the network cable and log in to the management interface of the router.

4. In Wireless Settings - Basic Settings, the channel is between 1 and 11, the wireless function is turned on, and the router is restarted.

2: What should I do if I search for a wireless signal and the connection is unsuccessful.

1. The unsuccessful wireless connection may be caused by incorrect settings of wireless password and other parameters. A new key entry attempt.

2. Please make sure that the wireless router does not have the wireless MAC address filtering function enabled; Wireless Settings - Wireless MAC address filtering, turn off the wireless MAC address filtering function Wireless Settings - Wireless MAC address filtering, turn off the wireless MAC address filtering function.

Three: What should I do if the wireless connection is successful and I can't open the web page?

First of all, check whether the router is connected to the external network, log in to the router management interface, and look at the running status - WAN port status, if it is 0, please follow the router quick setup guide to set it again.

2. If the computer can access the Internet, the mobile phone cannot; Check whether the SSID number of the wireless router is in Chinese; If it is changed to letters and numbers; Mobile phones sometimes can't effectively recognize Chinese:

3. If the above does not contain the absolute solution: we set a static IP for the mobile phone

4. The wireless router supports between 15-20 wireless devices; When the maximum number of connected wireless devices is exceeded, although Cong Town is connected to the wireless network; But you're wireless; At this time, you can unplug the wireless router; Turn on the wireless router after 10 minutes.