Can Muslim parents check their teen's phone?

Parents are guardians

The Prophet ﷺ said that each of you is a shepherd and responsible for your flock, and a man and a woman are each shepherds over their household (Sahih al-Bukhari 893). Until your child is an adult, protecting them from harm is part of that duty. A phone can open the door to predators, pornography, bullying, gambling and scams, so keeping an eye on it is reasonable, especially for younger teens.

But Islam also forbids spying

Scholars explain that this verse is about prying into people's private lives out of suspicion or curiosity. Parental supervision for safety is a different thing, but the spirit still applies: don't read every message just because you can, and don't assume the worst about your child without a reason. Many scholars say checking is justified when there are clear warning signs, such as secrecy, sudden behavior changes, or contact with strangers.

A balanced approach by age

• Younger teens (12 to 14): parental controls, app approval, and the phone charging outside the bedroom at night are sensible. Tell them openly that you may look at it.
• Older teens (15 to 17): give more privacy as they show responsibility. Check-ins and honest talks usually work better than reading chats.
• Warning signs: if you fear real danger, checking is part of your responsibility. Say why you are doing it.

If you're still deciding about devices, see When should a Muslim child get a smartphone?

Trust protects more than tracking

Teens who feel watched all the time often get a second phone or a secret account. Teens who feel they can talk to you tend to come to you when something goes wrong. Ask about their games and friends, without lecturing. See Is Roblox haram? and How do I talk to my teen about dating as a Muslim parent?