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Answer: There is a problem with the system. It is recommended to try restoring the factory settings.
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Answer: It may be that the machine is too jammed. I suggest you try it again. If it is still like this, I think you can consider replacing it with a new one
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Answer: The building owner can directly go to Taobao to search and purchase the corresponding model of accessories, and then contact the nearby maintenance provider for replacement.
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Answer: It is suggested that the building owner can go to Taobao to search and buy, and then contact the nearby maintenance provider for replacement.
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Answer: Because the mobile phone of the building owner is a 3G mobile phone of China Telecom, and the hardware does not support 4G networks. As for the failure of normal startup, it is recommended that the building owner first confirm whether the problem is the mobile phone battery.
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Answer: The price of this mobile phone is about 600 yuan, with a quad core processor and 1GB RAM. However, the phone is a bit old, so you can try to buy red rice.
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Answer: If you use the electricity clean, you have to wait for a while before charging, instead of plugging in the cable, you can start it immediately.
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Answer: According to the situation described by the building owner, it should be a problem with the memory card. It is suggested that the building owner can directly use the mobile phone to format the memory card after backing up the data. If the memory card has no hardware problems, it should be able to return to normal.
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Answer: Dear telecom users, thank you for your support for telecom. According to your description, we recommend a Huawei C8815 with good cost performance and favorable price. If you need to buy a phone, please visit Guangdong Telecom Mobile Mall to learn about the latest preferential models. I hope my answer is right
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Answer: Hello, the mobile phone of the telecom version supports CDMA2000 and GSM, which means that if you want to use the 3G network, you must put the telecom card in the main card slot. The 2G band of Telecom is different from that of Mobile/Unicom, so placing the telecom card only supports the GSM network
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