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Answer: In other words, if the device is provided with a driver, after the driver is installed on the computer and connected to the computer, you can access its relevant memory on the computer, and then you can export the data inside.
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Answer: mobile phone? I don't know what you mean. You can install relevant mobile phone drivers on your computer. The computer can recognize the mobile phone's body memory, and you can transfer relevant files.
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Answer: These mobile phones are obsolete. Don't think about it.
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Answer: You can find the system update from the settings, and then connect the wifi to check if there is an update. If there is a new version, it will be automatically pushed
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Answer: It is suggested that the building owner can directly contact the maintenance provider for specific inspection and maintenance.
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Answer: It supports 3G (CDMA2000) of China Telecom, 2G of China Unicom/2G of China Mobile (GSM), and can be used by all three telecommunications companies.
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Answer: It is recommended that you enter * # * # 4636 # * # * on the dial to directly enter the engineering commissioning interface. The first screen is for detection. If the problem persists, it is a hardware problem. After sales.
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Answer: The upstairs has said it in more detail. The landlord can complete the screen capture according to the prompt.
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Answer: The failure to receive SMS messages is mostly related to the improper setting of the SMS center number of the mobile phone. It is recommended to contact the customer service to get the correct SMS center number and set it for a try. In addition, you can try to recover the system.
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Answer: First, you need to root the mobile phone, and then move the next software, such as the 360 assistant upstairs.
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