[Yalla] You are retrieving your password. 388986 is your verification code, DO NOT tell anyone or your account might be stolen.
From O2 UK
Just confirming we've now updated the contact number on your account to this number. If you didn't ask for this change, call us on 202 (free from your O2 mobile) or 0344 809 0202 from any other phone.
From O2 UK
*Be alert to fraud* NEVER share this code, including with O2 staff. Help us protect your O2 account. To retrieve your My O2 account, enter code 457510.@