What should I do if my Coolpad phone cannot be turned on after factory reset?

1. Why the Coolpad phone cannot be turned on after restoring to factory settings

Coolpad cannot be turned on normally after being restored to factory settings. This is most likely due to an abnormality in the system.

1. If this problem occurs, users can try to enter Recovery mode to flash the phone. 2. Users can download the adapted card swiping package from the official website or smartphone forum, and import it into the root directory of the phone's memory card for later use.

3. Then turn off the phone first, press and hold the volume up and power buttons until the recovery interface appears. 4. Each brand of model will have slightly different ways to enter recovery mode. It is recommended that users search for the method based on the model.

5. Select wipe data/factory reset to clear all data, that is, restore factory settings, then press the power button to confirm, then select yes - delete all data, yes to clear all data. 6. Select wipe cache partition, then press the power button to confirm, and then select yes - wipe cache.

7. Select the fifth item install zip from sdcard, and then select the first item choose zip from sdcard. After confirmation, find the downloaded flash package, which is a ZIP format file. 8. The phone will automatically execute the flashing process, and when the flashing is completed, the phone will automatically enter the system.

9. If the user still cannot restore the phone to normal after flashing, it is recommended that the user send the phone to the brand customer service for inspection and repair. "Coolpad" is the mobile phone brand of Yulong Communications Company (full name: Yulong Computer Communication Technology (Shenzhen) Co., Ltd.).

Founded in April 1993, it is a wholly-owned subsidiary of China Wireless Technology Co., Ltd. (a company listed on the Hong Kong Main Board, stock code 2369). It is a professional smartphone terminal, mobile data platform system, An integrated solution provider for value-added business operations, focusing on integrated wireless data solutions with smartphones as the core, and is committed to developing into a smartphone leader and wireless data industry application expert. Coolpad is also the fourth largest mobile phone manufacturer in China.

Coolpad is the first domestic mobile phone manufacturer to obtain a dual-SIM 4G network access qualification certificate. After 2 years of 4G networks “spanning” multiple operators in the United States, Canada, Europe and Asia, Coolpad unveiled the competition in China’s 4G era [1].

On June 28, 2015, a subsidiary of LeTV invested approximately 2.19 billion yuan in Coolpad, accounting for 18% of its shares, becoming Coolpad’s second largest shareholder. On September 8, 2015, Coolpad Group temporarily suspended trading from 9 a.m. on September 9.

On November 25, 2015, Coolpad released its annual flagship product, Coolpad Max. On August 5, 2016, Guo Deying, the former executive director and chairman of the board of directors of Coolpad, resigned from his position on the board of directors and served as honorary chairman.

LeTV founder Jia Yueting was appointed chairman of the board of directors and chairman of the nomination committee of Coolpad. Company Profile "Coolpad" is the mobile phone brand of Yulong Communications Company.

The full name of Yulong Communications Company is "Yulong Computer Communication Technology (Shenzhen) Co., Ltd.", which is a wholly-owned subsidiary of China Wireless Technology Co., Ltd. (a company listed on the Hong Kong Main Board, stock code 2369). A professional integrated solution provider for smart phone terminals, mobile data platform systems, and value-added business operations. It focuses on integrated wireless data solutions with smart phones as the core, and is committed to developing into a smart phone leader and wireless data industry application expert. .

Yulong Communications focuses on the mid-to-high-end field of CDMA mobile phones, with "handwriting intelligence" as its main product line and dual standby as its flagship product. It has successively launched China's first CDMA1X smartphone Coolpad 688, the world's first smart dual-SIM mobile phone Coolpad 828, and the world's first smart dual-SIM mobile phone Coolpad 828. The first smart dual-mode mobile phone Coolpad 858, the world's first dual-mode dual standby Coolpad 728 and other leading products.

In May 2006, the company obtained GSM and CDMA mobile phone production licenses. In 2007, it obtained the TD-SCDMA mobile phone license jointly issued by the Ministry of Information Industry and the National Development and Reform Commission. Domestic mobile phone manufacturer Coolpad is undergoing channel changes.

Last week, it was said that "Coolpad has launched a layoff plan, with a ratio of about 10." In response, Coolpad officials immediately issued a statement stating that this move was an adjustment to the brand and channel strategy, not a layoff.

It is understood that Coolpad will divide its existing brands into three and increase the proportion of social channels and e-commerce channels, which has a lot to do with operators cutting terminal subsidies. However, now that the advantage of low prices is no longer there and the market space is shrinking, it may not be optimistic for Coolpad to carry out self-reform in order to seek better development.

2. Coolpad Master can’t turn on the computer after restoring factory settings

Dear user:

① Unplug the battery and reinstall it. See if it can boot normally.

②Whether it is possible to enter Recovery. How to enter Recovery: In the power-off state, first press and hold the "Volume Up Key" and then the "Power Off Key". Release when the startup screen appears to enter Recovery. If you can enter Recovery, please switch the system under Recovery and back up the data. If it fails, you need to clear all data (the address book, text messages, mobile phone applications, etc. in the phone will disappear).

③Whether it is possible to enter Fastboot. How to enter Fastboot: In the power-off state, first press and hold the "Mi key", then press and hold the "Volume Down key" and then hold the "Power off key". When the startup screen appears, release it to enter Fastboot. Please connect your phone to the computer and use Miflash to flash a complete system package.

④ If the problem persists, it is recommended to enter the after-sales process to detect mobile phone faults.

3. Why the Coolpad phone cannot be turned on after restoring to factory settings

Coolpad cannot be turned on normally after being restored to factory settings. This is probably due to an abnormality in the system.

1. If this problem occurs, users can try to enter Recovery mode to flash the phone.

2. Users can download the adapted card swiping package from the official website or smartphone forum, and import it into the root directory of the phone's memory card for later use.

3. Then turn off the phone first, press and hold the volume up and power buttons until the recovery interface appears.

4. Entering recovery mode will be slightly different for each brand of model. It is recommended that users search for the method based on the model.

5. Select wipe data/factory reset to clear all data, that is, restore factory settings, then press the power button to confirm, then select yes - delete all data, yes to clear all data.

6. Select wipe cache partition, then press the power button to confirm, and then select yes - wipe cache.

7. Select the fifth item, install zip from sdcard, and then select the first item, choose zip from sdcard. After confirmation, find the downloaded flash package, which is a ZIP format file.

8. The phone will automatically execute the flashing process, and when the flashing is completed, the phone will automatically enter the system.

9. If the user still cannot restore the phone to normal after flashing, it is recommended that the user send the phone to the brand customer service for inspection and repair.

"Coolpad" is the mobile phone brand of Yulong Communications Company (full name: Yulong Computer Communication Technology (Shenzhen) Co., Ltd.). Founded in April 1993, it is a wholly-owned subsidiary of China Wireless Technology Co., Ltd. (a company listed on the Hong Kong Main Board, stock code 2369). It is China's professional integrated solution for smart phone terminals, mobile data platform systems, and value-added business operations. Provider, focusing on integrated wireless data solutions with smartphones as the core, and committed to developing into a smartphone leader and wireless data industry application expert. Coolpad is also the fourth largest mobile phone manufacturer in China. Coolpad is the first domestic mobile phone manufacturer to obtain a dual-SIM 4G network access qualification certificate. After 2 years of 4G networks “spanning” multiple operators in the United States, Canada, Europe and Asia, Coolpad unveiled the competition in China’s 4G era [1]. On June 28, 2015, a subsidiary of LeTV invested approximately 2.19 billion yuan in Coolpad, accounting for 18% of its shares, becoming Coolpad's second largest shareholder. On September 8, 2015, Coolpad Group temporarily suspended trading from 9 a.m. on September 9. On November 25, 2015, Coolpad released its annual flagship product, Coolpad Max. On August 5, 2016, Guo Deying, the former executive director and chairman of the board of directors of Coolpad, resigned from his position on the board of directors and served as honorary chairman. LeTV founder Jia Yueting was appointed chairman of the board of directors and chairman of the nomination committee of Coolpad.

Company Profile

"Coolpad" is the mobile phone brand of Yulong Communications Company. The full name of Yulong Communication Company is "Yulong Computer Communication Technology (Shenzhen) Co., Ltd.". It is a wholly-owned subsidiary of China Wireless Technology Co., Ltd. (a company listed on the Hong Kong Main Board, stock code 2369). It is a professional smartphone terminal and mobile phone company in China. An integrated solution provider for data platform systems and value-added business operations, focusing on integrated wireless data solutions with smartphones as the core, and is committed to developing into a smartphone leader and wireless data industry application expert.

Yulong Communications focuses on the mid-to-high-end field of CDMA mobile phones, with "handwriting intelligence" as its main product line and dual standby as its flagship product. It has successively launched China's first CDMA1X smartphone Coolpad 688 and the world's first smart phone Dual-SIM mobile phone Coolpad 828, the world's first smart dual-mode mobile phone Coolpad 858, the world's first dual-mode dual standby Coolpad 728 and other leading products. In May 2006, the company obtained GSM and CDMA mobile phone production licenses, and in 2007, it obtained the TD-SCDMA mobile phone license jointly issued by the Ministry of Information Industry and the National Development and Reform Commission.

Domestic mobile phone manufacturer Coolpad is undergoing channel changes. Last week, it was said that "Coolpad has launched a layoff plan, with a ratio of about 10." In response, Coolpad officials immediately issued a statement stating that this move was an adjustment to the brand and channel strategy, not a layoff. It is understood that Coolpad will divide its existing brands into three and increase the proportion of social channels and e-commerce channels, which has a lot to do with operators cutting terminal subsidies. However, now that the advantage of low prices is no longer there and the market space is shrinking, it may not be optimistic for Coolpad to carry out self-reform in order to seek better development.

4. Coolpad cannot be turned on after restoring factory settings, and the format is not available. What should I do?

It is recommended that you follow the following methods to judge the situation, which will help you solve the problem. :

1. Please confirm whether the battery is charged first. It is likely that the battery power is too low and the phone cannot be turned on. It is recommended to use the standard charger data cable to charge for 20-30 minutes before trying to turn on the phone. ;

2. If it still cannot be turned on after charging, it is recommended to plug and unplug the battery several times and try turning it on again. If there are multiple spare batteries, it is recommended to try replacing them and try to turn on the phone again.

You can also use an eraser or alcohol (for industrial use) to clean the metal contacts and interfaces of the battery and try to see if there is any improvement;

3. If the screen is black and cannot be turned on: If you plug and unplug the battery many times (The battery is charged) and the battery has been replaced, but it still cannot be turned on. If the screen is black, it does not rule out that there is an abnormality in the power supply IC and other components. It is recommended that you go to the local site for specific inspection and treatment;

5 . After the Coolpad phone is restored to factory settings, it always stays at the startup screen when it is turned on

After the Coolpad phone is restored to factory settings and stays at the startup screen, just update the system. The steps are as follows: Steps for flashing Huawei phones: Back up personal data and ensure The battery is sufficient; to avoid data being cleared after successful flashing; 2. Download and flash the third-party Recovery on the phone (Recovery can be downloaded online and flashed into the Recovery of the respective model); 3. Download the Huawei mobile phone flashing package (download the flashing package of the respective phone) ): 1.shuajiquan/huawei/ After downloading, place it in the root directory of the phone's SD card; 4. Enter the flashed third-party recovery on the phone (different models have different entry methods. You can search on Baidu for specific entry methods. ), as shown below; (Note: The operation method under the Recovery interface: generally the volume key moves up and down.

The power key is the confirmation key. Some recoveries support click and touch operations.

Next I It is demonstrated to you with the recovery button); 5. After entering the recovery, double-clear the phone in sequence; move and select to clear all data (note: individual recovery is to clear data/restore factory settings). Press the power button to confirm entry, and then move Select Yes - clear all data, as shown below; 6 Return to the main recovery interface, move to select Clear Cache Data (Note: individual recovery is to clear the Cache partition) and confirm entry with the power button, then move and select Yes - Clear Cache, as shown below; 7 After the dual cleanup is completed, return to the main recovery interface, select to install the flash package on the phone, select the mobile phone to install the flash package from the SD card, and then press the power button to confirm entry, and then select the zip file from the SD card. If the flash package is placed in the external SD card, please select the zip file from /external_sd card), then find the flash package (.zip format) just copied to the root directory of the SD card, and then press the power button to confirm the flash, as shown below; 8 After the flashing package is completed, return to the recovery main interface and select Restart the system immediately, as shown below; 9 Coolpad mobile phone flashing successfully! .

6. What should I do if my Coolpad phone cannot be used after restoring to factory settings?

1. Press and hold the volume up, HOME button, and power button at the same time when the phone is turned off, and wait for the screen to light up. You can release it and enter Recovery mode.

2. After entering the recovery mode, the English selection interface will appear. Select Wipe Data /Factory Reset to confirm-then select the middle line YES--DELETE; OK. 3. Select Wipe Cache Partition again to confirm.

4. Finally, select the first option reboot system now to restart the phone. Note: When performing the above operations, be sure to back up your phone's personal data, phone book, text messages and other important data, because these data will be cleared when unlocking.