Enter *#6776# through the dial key of the mobile phone, and all the information of the mobile phone will pop up;
2. The mobile phone is in standby state, enter the setting interface, find out that the mobile phone clicks to enter, and find the baseband version (the last line is the factory date).
3. Look at the box of the mobile phone, which will have the factory date of the mobile phone.
1. If the mobile phone box is still there, you can directly look at the label on the back of the box, which will indicate the date.
2. Enter the dialing page and enter *#6776#, and the phone will pop up all the information of the fuselage to find the construction time, with the date below.
3. Enter the settings, and then click the phone to find the baseband version and the kernel version. There are dates below.
4. Restore the mobile phone to the factory settings, and it is best to back it up first. At this point, you will be asked to set the time to restart the machine. This time is factory time.
5. There is also a dial key to enter *#0000#, and then find the software version, which contains the software update date (that is, the year, month and day of the last six digits).
Android system has no activation time record, so it is impossible to query the activation time of mobile phone.
The production date of the mobile phone can be viewed in the following ways:
1, the date of certificate is marked on the box of mobile phone, just check the date;
2. If you can't check, please bring your mobile phone, invoice and warranty card to the local OPPO customer service center.
Similarity problem
How to query the total use time and factory date of OPPO mobile phones?
Basic query method:
1, please first check whether the IMEI code of the mobile phone is a combination of three codes, that is, whether the number you found on the mobile phone with *#06# is posted on the back of the mobile phone and is consistent with that on the box.
2. You go to the Ministry of Industry and Information Technology to verify the mobile phone logo, enter your mobile phone brand model and IMEI code, and you can find out whether it is registered. If it has been registered in logo verification, it is licensed.
3. On the dial *# 197328640#, the service mode interface appears.
Select 2 2 4 to check the production date.
4. Enter *#272*IMEI# IMEI in the dial, which is the number 15 IMEI you just wrote down.
You can see that there are three letters in the white box behind the sales code. This is the code of the country of sale. Write it down and check the corresponding countries in the table below.