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How to make the best use of old mobile phones

How to make the best use of old mobile phones

4hw.org: since we are close to the era of smart phones, mobile phone updates and iterations are particularly fast. Due to people's dependence on mobile phones, the frequency of using mobile phones is also increasing. A mobile phone will be eliminated in one to two years at most. So, how to deal with the old mobile phones? It's not worth a lot of money to sell. It's a pity to throw it away. Don't worry. Let's have a look.

There is also a problem in selling old mobile phones, that is, it's easy to disclose your privacy. Although you restore your phone to the factory settings, the memory hard disk is still there, and the information that can be deleted can also be recovered through software. So many people leave their mobile phones idle. Many idle old mobile phones can function normally and have good performance. In fact, you can leave them idle Machine reuse.

Make music controller Generally, the internal system of the old mobile phone is still intact, and the mobile phone and the audio can be connected together, and can be used as a spare music box at home. With a smart phone connected to the sound, you can use the smart phone as the control center of the sound system to stream music. No matter where you are in the room, you can play music and cut songs anytime and anywhere.

Make monitoring device General smart phones can take photos, record videos, etc. if you separate the rear camera of the mobile phone, put it outside the door, and then put the old mobile phone beside the bed, you can see the outside situation through the mobile phone screen whenever someone comes. It can operate freely, take photos, video and so on, just like a monitoring device, very reliable. If you have a baby at home, it can also be used as a recording instrument to record the baby's behavior and growth. These smart phones are much cheaper than traditional home security systems. If you need a security camera but can't afford the expensive cost, it's a good choice to replace them with idle smart phones. With the help of apps, smartphones can replace security cameras.

It can be used as an external display The quality of the display screen of smart phone is OK. If the screen of your new phone is not large enough, you can connect the screen of the old phone with the display screen of the new phone through the application program. This is like a multi screen design of one machine. It is very convenient to watch movies without huddling together. Each person holds a display screen. In addition, the old mobile phone is also a kind of pollutant. If it is discarded at will, it will inevitably cause environmental pollution. Now many brands of mobile phone companies implement recycling measures. If they really want to sell the mobile phone, they can first restore the mobile phone to the factory settings or format, and then store some other irrelevant content, so as to occupy the storage space of the mobile phone. In this way, even if the data is recovered by someone with ulterior motives, what the other party gets is only some unimportant content that you have stored before, but not the previous data, which can also play a certain role in security.