How does Unicom get the password through SMS?

Password modification of mobile phone: (It should be possible now) Step 1 for mobile users: Edit SMS 3 by mobile phone and send it to 170024 to get the SMS setting menu; Step 2: directly reply to 5 and enter the QQ password setting menu: after the modification is completed, the user can be connected. Step 1: Edit SMS 3 with your mobile phone and send it to 977725 (Guangdong to 377725) to get the SMS setting menu. Step 2: directly reply to 5 to enter the QQ password setting menu. After the modification, PHS users can get the SMS setting menu. Step 1: Edit SMS 3 by mobile phone and send it to 170025 (PHS users of China Telecom) 1700025 (PHS users of China Netcom). Step 2: Reply directly to 5 and enter the QQ password setting menu. After the modification, if a secure mobile phone is set, you can use the secure mobile phone to edit the new password of the short message MM#QQ number (the new password cannot contain' #'), and the mobile user will send it to "106 170099". Unicom users need to find the service number of your province before they can reset their passwords and protect account security anytime and anywhere.