How to block a stolen phone by IMEI in Kenya

People use "block my phone" to mean two completely different things. One takes a phone call. The other needs a police report and goes through your operator. Know which you are asking for.

Blocking the SIM: fast, and the one that saves your money

This stops calls, SMS and M-Pesa on your line. Call your operator from any phone — Safaricom on 100 from another Safaricom line or +254 722 002 200 from any other network, Airtel and Telkom on 100 from a line on their own network. Ask for the SIM blocked and SIM-based transactions barred. Have your national ID number ready. This takes minutes and should be the first thing you do.

Blocking the handset: slower, needs a police report

Blacklisting the IMEI is meant to stop the handset working on any network, whatever SIM goes into it. Kenya has no public portal for this. It runs through the mobile operators, and they will ask for a police OB number or abstract. Get the OB number first, then take it to your operator’s customer care with the 15-digit IMEI.

What the Communications Authority rules actually cover

The Authority introduced IMEI registration requirements from November 2024, aimed at devices imported or assembled from that point and tied to tax compliance, with a whitelist, grey-list and blacklist structure for operators. Devices already on Kenyan networks before that date were not affected. Parts of the rollout, including the requirement for travellers to declare IMEIs, were challenged in court and suspended. The framework has moved more than once, so treat any specific claim about it — including this one — as something to confirm with the Authority or your operator rather than rely on.

The honest limit

A blacklisted IMEI can be altered. Police in Kenya have arrested technicians for reflashing stolen handsets to change the IMEI, which is exactly why a block is a deterrent rather than a guarantee. It raises the cost of reselling your phone; it does not make it worthless.

Check the number before you need it

Dial *#06#, screenshot the result and email it to yourself. Almost every stalled stolen-phone report in Kenya stalls because nobody wrote down the IMEI. You can also paste it into the IMEI checker to confirm it is a validly issued number.

More guides

What to do when your phone is stolen in Kenya How to find your IMEI number (and why to write it down now)How to catch whoever is unlocking your phone Phone snatching: how protection actually works Why Google Find Hub often will not find your phone Buying a second-hand phone in Kenya without buying a stolen one Protecting M-Pesa and your bank if your phone is taken Is your phone genuine? Checking a handset in Kenya Phone specs that actually matter (and the ones that do not)Choosing an anti-theft app for Android in Kenya

Setting it up on your phone

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Common questions

Can I block a phone without a police report?

You can block the SIM with just your ID. Blacklisting the handset itself is where operators ask for the OB number or police abstract.

Does blocking the IMEI help me get the phone back?

Rarely on its own. It makes the handset harder to sell, which is a deterrent. Recovery in practice comes from the police acting on a report, which is why evidence identifying a person is worth more than a device block.

Is there a Kenyan website to check if a phone is blacklisted?

Not a public official one. Blacklisting runs through the operators. Any site claiming to query an official Kenyan stolen-device list is not doing that — confirm a handset with the operator before you buy.

Guard Eye is an Android app made in Kenya. Procedures on this page follow the national process — police OB number, IMEI, operator SIM block — and the details operators ask for do change, so confirm with yours. Back to Guard Eye