In most Android brands, you can check your phone's manufacturing date in your device's settings. You simply have to go to Settings and look for the “About Phone” tab. The section showing your phone's details may also use words like Your Phone, About, or Phone Data.
How to Find Old Phone Numbers?
You can find it in the “Settings” under General → About → Serial Number. Using the serial number you now have two ways to determine the age of your iPhone. The first option is via an Apple support page where you can check the warranty status of your iPhone.
Android to Android
Turn it into a “home phone” With iOS 8's Wi-Fi Calling feature, you can set your old iPhone up to still ring if you're home with your new iPhone and they're both on the same Wi-Fi network. This means you can dock your old iPhone in the kitchen, by the bed, or anywhere you used to have a cordless phone.
A good rule of thumb is that a phone will no longer be supported if it's two to three years old. This varies from company to company, however. Google's older Pixel phones typically got three years of software updates, but it upped that to five years of guaranteed updates with the latest Pixel 6 and 6 Pro.
This week in 1973, the most important phone call in technology history was made. Using a prototype Motorola DynaTac, inventor Martin Cooper made the first call on a mobile phone. Forty years later, it's considered a brick compared with the diminutive devices we carry around.
It was first available in May 2001 as a pre-release (test) of W-CDMA technology. The first commercial launch of 3G was also by NTT DoCoMo in Japan on 1 October 2001, although it was initially somewhat limited in scope; broader availability of the system was delayed by apparent concerns over its reliability.
A factory reset just deletes all your user data locally on your phone. Data stored in the cloud and synchronized to other devices linked via an account and are not affected.
Before you trade in your old phone, it's absolutely critical to properly wipe the data clean. Choosing to “restore” or “factory reset” your device will work – if encrypted. For Android users, if your existing phone runs Android 6.0 (Marshmallow) or newer, your data will already be encrypted by default.
Cell phones can contain toxic metals in some of there internal components. For example, the circuit boards in cell phones can contain heavy metals such as arsenic and lead in addition to the other valuable metals such as gold, copper, and platinum.
The problem is that phones released years ago might run outdated versions of Android, which means they often don't have critical security updates that can keep you -- and your data -- safe from prying eyes.
0:212:54If you have a pixel or Nexus phone open the Settings app and scroll down to backup. And reset nearMoreIf you have a pixel or Nexus phone open the Settings app and scroll down to backup. And reset near the bottom. Open that setting and check that Google Drive backups are switched on for your account.
Try https://www.imei.info/apple-sn-check/ to get the manufacturing date. Serial Number you can find under Settings --> General --> About. You can tell the manufacturing date from the serial number.