Go to Settings > Phone. Due to inactivity, your session has expired. Future calls to your phone from this number won't be marked as spam. If you see "Suspected spam caller" or "Spam" as the caller ID, the call might be spam. Join 425,000 subscribers and get a daily digest of news, geek trivia, and our feature articles. From a Home screen, navigate: Apps. Our readers say: "Thank you guys for always posting cool stuff" -- Vaughn Nevins. Have a phone you love? Can Power Companies Remotely Adjust Your Smart Thermostat? Americans received a staggering 55 billion robotexts in December alone . Call Filter cannot yet identify or automatically block spam calls that originate outside of the US, but customers with an eligible device can now block all incoming calls from international numbers if they choose. On your device, open the Phone app . {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/f8\/Block-Spam-Calls-on-iPhone-Step-1.jpg\/v4-460px-Block-Spam-Calls-on-iPhone-Step-1.jpg","bigUrl":"\/images\/thumb\/f\/f8\/Block-Spam-Calls-on-iPhone-Step-1.jpg\/aid11704840-v4-728px-Block-Spam-Calls-on-iPhone-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/3\/36\/IPhonephone.png","bigUrl":"\/images\/thumb\/3\/36\/IPhonephone.png\/30px-IPhonephone.png","smallWidth":460,"smallHeight":460,"bigWidth":30,"bigHeight":30,"licensing":"

I edited this screenshot of an iOS icon.\n<\/p>

License: Fair Use<\/a>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/9\/9a\/Block-Spam-Calls-on-iPhone-Step-2.jpg\/v4-460px-Block-Spam-Calls-on-iPhone-Step-2.jpg","bigUrl":"\/images\/thumb\/9\/9a\/Block-Spam-Calls-on-iPhone-Step-2.jpg\/aid11704840-v4-728px-Block-Spam-Calls-on-iPhone-Step-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/73\/Block-Spam-Calls-on-iPhone-Step-3.jpg\/v4-460px-Block-Spam-Calls-on-iPhone-Step-3.jpg","bigUrl":"\/images\/thumb\/7\/73\/Block-Spam-Calls-on-iPhone-Step-3.jpg\/aid11704840-v4-728px-Block-Spam-Calls-on-iPhone-Step-3.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/cf\/Block-Spam-Calls-on-iPhone-Step-4.jpg\/v4-460px-Block-Spam-Calls-on-iPhone-Step-4.jpg","bigUrl":"\/images\/thumb\/c\/cf\/Block-Spam-Calls-on-iPhone-Step-4.jpg\/aid11704840-v4-728px-Block-Spam-Calls-on-iPhone-Step-4.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/c0\/Block-Spam-Calls-on-iPhone-Step-5.jpg\/v4-460px-Block-Spam-Calls-on-iPhone-Step-5.jpg","bigUrl":"\/images\/thumb\/c\/c0\/Block-Spam-Calls-on-iPhone-Step-5.jpg\/aid11704840-v4-728px-Block-Spam-Calls-on-iPhone-Step-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/fc\/Block-Spam-Calls-on-iPhone-Step-6.jpg\/v4-460px-Block-Spam-Calls-on-iPhone-Step-6.jpg","bigUrl":"\/images\/thumb\/f\/fc\/Block-Spam-Calls-on-iPhone-Step-6.jpg\/aid11704840-v4-728px-Block-Spam-Calls-on-iPhone-Step-6.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/3e\/Block-Spam-Calls-on-iPhone-Step-7.jpg\/v4-460px-Block-Spam-Calls-on-iPhone-Step-7.jpg","bigUrl":"\/images\/thumb\/3\/3e\/Block-Spam-Calls-on-iPhone-Step-7.jpg\/aid11704840-v4-728px-Block-Spam-Calls-on-iPhone-Step-7.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/7\/7e\/Iphonesettingsappicon.png","bigUrl":"\/images\/thumb\/7\/7e\/Iphonesettingsappicon.png\/30px-Iphonesettingsappicon.png","smallWidth":460,"smallHeight":460,"bigWidth":30,"bigHeight":30,"licensing":"

I edited this screenshot of an iPhone icon.\n<\/p>

License: Fair Use<\/a>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/41\/Block-Spam-Calls-on-iPhone-Step-8.jpg\/v4-460px-Block-Spam-Calls-on-iPhone-Step-8.jpg","bigUrl":"\/images\/thumb\/4\/41\/Block-Spam-Calls-on-iPhone-Step-8.jpg\/aid11704840-v4-728px-Block-Spam-Calls-on-iPhone-Step-8.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/e\/ed\/Block-Spam-Calls-on-iPhone-Step-9.jpg\/v4-460px-Block-Spam-Calls-on-iPhone-Step-9.jpg","bigUrl":"\/images\/thumb\/e\/ed\/Block-Spam-Calls-on-iPhone-Step-9.jpg\/aid11704840-v4-728px-Block-Spam-Calls-on-iPhone-Step-9.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/1\/15\/Iphoneswitchonicon1.png","bigUrl":"\/images\/thumb\/1\/15\/Iphoneswitchonicon1.png\/46px-Iphoneswitchonicon1.png","smallWidth":460,"smallHeight":300,"bigWidth":46,"bigHeight":30,"licensing":"

I edited this screenshot of an iPhone\n<\/p>

License: Fair Use<\/a>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/9\/9d\/Block-Spam-Calls-on-iPhone-Step-10.jpg\/v4-460px-Block-Spam-Calls-on-iPhone-Step-10.jpg","bigUrl":"\/images\/thumb\/9\/9d\/Block-Spam-Calls-on-iPhone-Step-10.jpg\/aid11704840-v4-728px-Block-Spam-Calls-on-iPhone-Step-10.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/5\/55\/Iphoneappstoreicon.png","bigUrl":"\/images\/thumb\/5\/55\/Iphoneappstoreicon.png\/30px-Iphoneappstoreicon.png","smallWidth":460,"smallHeight":460,"bigWidth":30,"bigHeight":30,"licensing":"

I edited this screenshot of an iOS icon.\n<\/p>

License: Fair Use<\/a>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/b7\/Block-Spam-Calls-on-iPhone-Step-11.jpg\/v4-460px-Block-Spam-Calls-on-iPhone-Step-11.jpg","bigUrl":"\/images\/thumb\/b\/b7\/Block-Spam-Calls-on-iPhone-Step-11.jpg\/aid11704840-v4-728px-Block-Spam-Calls-on-iPhone-Step-11.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/1\/1e\/Block-Spam-Calls-on-iPhone-Step-12.jpg\/v4-460px-Block-Spam-Calls-on-iPhone-Step-12.jpg","bigUrl":"\/images\/thumb\/1\/1e\/Block-Spam-Calls-on-iPhone-Step-12.jpg\/aid11704840-v4-728px-Block-Spam-Calls-on-iPhone-Step-12.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/e\/e4\/Block-Spam-Calls-on-iPhone-Step-13.jpg\/v4-460px-Block-Spam-Calls-on-iPhone-Step-13.jpg","bigUrl":"\/images\/thumb\/e\/e4\/Block-Spam-Calls-on-iPhone-Step-13.jpg\/aid11704840-v4-728px-Block-Spam-Calls-on-iPhone-Step-13.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/f9\/Block-Spam-Calls-on-iPhone-Step-14.jpg\/v4-460px-Block-Spam-Calls-on-iPhone-Step-14.jpg","bigUrl":"\/images\/thumb\/f\/f9\/Block-Spam-Calls-on-iPhone-Step-14.jpg\/aid11704840-v4-728px-Block-Spam-Calls-on-iPhone-Step-14.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/82\/Block-Spam-Calls-on-iPhone-Step-15.jpg\/v4-460px-Block-Spam-Calls-on-iPhone-Step-15.jpg","bigUrl":"\/images\/thumb\/8\/82\/Block-Spam-Calls-on-iPhone-Step-15.jpg\/aid11704840-v4-728px-Block-Spam-Calls-on-iPhone-Step-15.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/6\/67\/Block-Spam-Calls-on-iPhone-Step-16.jpg\/v4-460px-Block-Spam-Calls-on-iPhone-Step-16.jpg","bigUrl":"\/images\/thumb\/6\/67\/Block-Spam-Calls-on-iPhone-Step-16.jpg\/aid11704840-v4-728px-Block-Spam-Calls-on-iPhone-Step-16.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/f0\/Block-Spam-Calls-on-iPhone-Step-17.jpg\/v4-460px-Block-Spam-Calls-on-iPhone-Step-17.jpg","bigUrl":"\/images\/thumb\/f\/f0\/Block-Spam-Calls-on-iPhone-Step-17.jpg\/aid11704840-v4-728px-Block-Spam-Calls-on-iPhone-Step-17.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/9\/91\/Block-Spam-Calls-on-iPhone-Step-18.jpg\/v4-460px-Block-Spam-Calls-on-iPhone-Step-18.jpg","bigUrl":"\/images\/thumb\/9\/91\/Block-Spam-Calls-on-iPhone-Step-18.jpg\/aid11704840-v4-728px-Block-Spam-Calls-on-iPhone-Step-18.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

License: Fair Use<\/a> (screenshot)
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/2e\/Block-Spam-Calls-on-iPhone-Step-19.jpg\/v4-460px-Block-Spam-Calls-on-iPhone-Step-19.jpg","bigUrl":"\/images\/thumb\/2\/2e\/Block-Spam-Calls-on-iPhone-Step-19.jpg\/aid11704840-v4-728px-Block-Spam-Calls-on-iPhone-Step-19.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"