Want to buy a new mobile phone! What should I do with the old mobile phone?

The speed of upgrading mobile phones is really fast. The old ones need to be replaced, the new ones need to be replaced, and if they feel bad, they need to be replaced ... You can always find various reasons to get rid of your old mobile phones, but it's a pity to throw them away like this. In fact, your old mobile phones are still "treasures"! Let's take a look!

Home security camera

The security camera intelligent security system is indispensable for modern families. In addition to letting you know what happens at home when you are out, if you have a baby at home, it can also be used as a baby monitor to record the baby's behavior and growth.

an idle smart phone with appropriate applications can perfectly replace expensive security monitoring equipment. At present, there are a large number of related applications on the market that can achieve this goal, such as iCamSpy, Presence and Manything, which are very powerful apps that can help you protect your property or remotely monitor the situation of your baby from other places.

remote control

speaking of remote control function, it is good news for students who like taking selfies. Old mobile phones or tablets can be used as remote controllers of SLR cameras through special applications, which is very suitable for taking selfies. Including Apple and Chromecast, there are special apps for control.

online music player

nowadays, many audio devices have the input function of 3.5mm earphone interface, which can play music by connecting mobile phones, USB flash drives, mp3 players and other audio sources. If you have an old mobile phone, you can use it as a special music playing device, and the tracks you play will not be limited by the capacity.

No matter Android, Apple or Saipan, there are many free online music playing softwares under various smart phone systems, and the played tracks can be obtained from the unlimited Internet through wifi at home, which is not only free, but also the sound quality is enough to meet the needs of the general audience. We just need to find an audio cable with 3.5mm plugs at both ends, one end connected to the mobile phone and the other end connected to the stereo, and we can enjoy wonderful music. From then on, you have an independent sound system, so you don't have to bother playing music with your existing mobile phone, and you don't have to worry about missing calls or messages.

car navigator

It costs eight or nine hundred yuan to buy a car navigator. If you have an old mobile phone with a 3.5-inch screen and gps function, you can turn the old mobile phone into a special car navigator by buying a car bracket and a cigarette lighter power supply.

We can install mainstream free navigation map applications on mobile phones, such as Baidu map and Gaode map, and download offline maps in advance. In this way, the mobile phone can realize accurate gps navigation without installing a sim card. Updating the map is also very convenient. You can take it home at any time and connect to the wifi network to download and update the map.

e-reader

Although mobile phones and tablets are different from e-readers, they are not E-Ink screens, but they are more conducive to our reading. Both iBooks and Play Books can synchronize the official list of Kindle or Kobo, and support cross-device synchronization. You can also use your old mobile phone or tablet to log in to Instapaper or Pocket to read online.

baby's toys

if there are children at home, an old mobile phone or tablet is very suitable for them to use as toys. Obviously, there are many apps and games specially designed for babies in the app store, and at the same time, special home control software can ensure that children are too addicted. More importantly, the old equipment will not feel bad even if it is knocked over by the baby.

Universal Remote Control

The TV, air conditioner, set-top box and stereo at home all need remote control. If you don't want to worry about a bunch of remote control, and the old mobile phone just has the infrared emission function, you can turn it into a universal remote control to operate all kinds of household appliances at home. Both Android and Apple have a large number of related applications.

electronic clock

if you happen to have a base besides your old mobile phone, it is very suitable for being placed on the bedside as an electronic clock. At the same time, there are many apps with very rich alarm functions, and even tell you what to do after waking up every day through electronic calendars and reminders.

Radio

Although the SIM card has been transferred to the new mobile phone, the old device can still connect to Wi-Fi, so why not turn it into a radio? At present, all mainstream radio stations have special applications, and there are a bunch of third-party broadcasting applications. It would be better if the old equipment is equipped with a base. When you get up in the morning, brush your teeth, wash your face and have breakfast, you can turn on your own radio, listen to the news and listen to music to start your day ...

Self-defense weapon

Of course, this function is limited to Nokia phones. Recently, a survivor of the wall collapse accident in Lanzhou claimed that Nokia's mobile phone saved his life. Nokia gained a new skill after smashing walnuts and blocking bullets. So, don't throw away the Nokia phone, even if it's not a smart phone, take it with you, maybe it will come in handy at a critical moment.