Sometimes it happens that important phone numbers are deleted from the phone's memory by mistake or inattention. It is possible to return them back in several ways.
It is necessary
- - invoice printout;
- - a wire for connecting to a computer.
Instructions
Step 1
View the data of copies of your phonebook numbers in the program installed on your computer to synchronize devices. This is only relevant if you have previously created a backup copy of contacts on your computer and the program stores the information you need.
Step 2
Also look at copies of phone numbers on the SIM card, on old phones that you used before, as well as call lists that may be stored in their memory. Look through the various messages notifying the agent of missed calls, perhaps one of them will contain the number of the contact you deleted.
Step 3
If your computer also lacks the phone numbers you need to restore, contact the nearest service office of your mobile operator and request a printout of calls for the period when you last called the number deleted from your phone book memory, or when your phone was dialed incoming call from him. Also in this case, look at the list of incoming and outgoing SMS messages.
Step 4
Please note that you need to have your passport or any other proof of identity with you to receive information on calls. Also, the invoice printout is provided only to the owners of the SIM card, so first make sure that its registration was made in your name.
Step 5
Please note that this service may be chargeable for some operators. You can also order a printout on the operator's official website in the subscriber's personal account, after which the table of calls will be sent to you at the specified email address. In the future, synchronize your phone with your computer and save your contact list as a table on your hard drive. Also use phone backup software.
