Last Verified: Jun 2026 | By SimOwner.net.pk Editorial Team — Pakistan’s SIM and device specialists since 2015
Every mobile phone has an IMEI — International Mobile Equipment Identity — a unique 15-digit number that permanently identifies the physical device, separate from the SIM card. In Pakistan, every IMEI is registered in PTA’s DIRBS system (Device Identification, Registration, and Blocking System), and that registration status determines whether your phone can connect to Pakistani mobile networks at all.
If your phone’s IMEI is blocked in DIRBS, your device will not receive cellular service on any Pakistani network — regardless of which SIM you insert. Conversely, if you buy a second-hand phone in Pakistan without checking its IMEI, you may discover it is already blocked or flagged — making it useless as a mobile device.
This guide covers what DIRBS is, what your IMEI reveals in the system, how to perform a free IMEI check, what each status means, what to do if your phone is blocked, and the connection between IMEI registration and SIM fraud that makes DIRBS an important part of Pakistan’s fraud investigation infrastructure. Start by verifying your SIM status at SimOwner.net.pk — the SIM and device together form your complete mobile identity picture.
What Is DIRBS and Why PTA Created It
DIRBS (Device Identification, Registration, and Blocking System) is PTA’s national device registration database. Launched as part of a comprehensive telecom compliance initiative, DIRBS serves three core functions:
1. Device identification: Every IMEI operating on Pakistani networks is catalogued — associated with the network it is using, the subscriber (CNIC) it is registered to, and its compliance status.
2. Registration requirement enforcement: Devices imported into Pakistan — whether by manufacturers, importers, or individuals bringing phones from abroad — must be registered with PTA. Unregistered foreign devices face blocking after a grace period.
3. Blocking capability: PTA can direct operators to block specific IMEIs — preventing those devices from connecting to any Pakistani network. Used for stolen devices, devices associated with serious crimes, and non-compliant imports.
Scale of DIRBS
As of 2025, DIRBS tracks hundreds of millions of device registration records across Pakistan’s mobile networks. It is one of the most comprehensive device registration systems among developing countries and has been referenced by the ITU as a model implementation.
How to Find Your Phone’s IMEI
Method 1 — Dial *#06#
On any smartphone (Android or iPhone), open the phone dialer and dial *#06#. Your IMEI number(s) appear immediately on screen without making a call. For dual-SIM phones, two IMEIs are displayed (IMEI 1 and IMEI 2 — one for each SIM slot or eSIM).
Method 2 — Phone Settings
Android: Settings → About Phone → Status → IMEI Information
iPhone: Settings → General → About → IMEI
Method 3 — Physical Device
The IMEI is printed on the device box (original packaging), on a label inside the battery compartment (for phones with removable batteries), and on the device’s SIM tray (some models).
Method 4 — SIM Tray
Pull out the SIM tray — on many modern iPhones and some Android phones, the IMEI is laser-etched on the SIM tray itself.
Write down your IMEI now — before any loss or theft. Having your IMEI recorded separately from the device is essential for police FIRs and DIRBS blocking requests after theft.
How to Check IMEI Status on DIRBS — Step by Step
Method 1 — DIRBS Website (Recommended)
Step 1: Visit dirbs.pta.gov.pk in any web browser.
Step 2: Enter your 15-digit IMEI in the check field.
Step 3: Complete any CAPTCHA verification.
Step 4: Click Check/Submit.
Step 5: Review the result.
Cost: Free. Available 24/7.
Method 2 — SMS to 8484
Send your IMEI number as an SMS to 8484 from any Pakistani network.
Cost: Standard SMS rate (typically Rs. 1–3).
Response: Automatic SMS reply with your device’s DIRBS status.
Best for: Quick checks without internet access.
Method 3 — PTA’s App (DIRBS Checker)
PTA has made IMEI checking available through its mobile app. Search “PTA” or “DIRBS” in the Google Play Store or Apple App Store for the current official app.
Understanding DIRBS Status Results
The DIRBS check returns one of several status categories:
Status 1 — Compliant
Your device is registered in DIRBS as a compliant device — properly registered, IMEI valid, and authorized for use on Pakistani networks.
What this means: Your phone can connect to all Pakistani networks without restriction. No action required.
Status 2 — Non-Compliant (Blocking Pending)
Your device is in the system but does not meet registration requirements — typically because it was imported without proper registration or its registration has expired.
What this means: Your phone currently works but faces blocking if registration is not completed. Action required immediately.
How to regularize:
- Visit the PTA DIRBS registration portal at dirbs.pta.gov.pk
- Register your device by providing IMEI, device type, and applicable fee
- Personal imports: register within the grace period (typically 60 days of entry into Pakistan)
- Commercial imports: commercial importers handle bulk DIRBS registration
Status 3 — Blocked
Your device’s IMEI is blocked — it cannot connect to any Pakistani mobile network.
Possible reasons for blocking:
- Reported stolen to PTA/police
- Regulatory non-compliance after grace period
- Associated with a specific PTA enforcement action
- Flagged in an international stolen device database
What this means: Your device will not receive cellular service on any Pakistani operator with any SIM.
Status 4 — Invalid IMEI
The 15-digit number you entered does not match any valid IMEI format or is not in the DIRBS database.
Possible reasons:
- Counterfeit device with a fake or duplicated IMEI
- Data entry error (recheck the IMEI)
- Device from an extremely obscure manufacturer not in the database
Security implication: A device with an invalid or duplicate IMEI is a significant red flag — it may be counterfeit, may have had its IMEI tampered with (which is illegal under PTA regulations), or may be associated with fraud.
The IMEI-SIM Connection — Why DIRBS Matters for SIM Fraud Investigation
IMEI registration is directly relevant to SIM fraud investigation — here is why:
Network CDRs Link IMEI to Every Call
Every call and data session in Pakistani operator CDRs (Call Detail Records) includes the IMEI of the device used. This means:
- When a criminal registers a fraudulent SIM on your CNIC and uses it in their device — that device’s IMEI is recorded
- FIA investigators can request the IMEI from operator CDRs for the fraudulent SIM
- The IMEI is then queried in DIRBS to identify the registered owner of that device
For many SIM fraud investigations, the criminal’s device IMEI provides a trail leading directly to their identity — even if they used a fake CNIC for the SIM registration. The IMEI is harder to fake than a document.
Multiple SIMs on One IMEI — A Fraud Indicator
When FIA investigators find multiple different SIMs used in the same device (same IMEI in CDRs across different SIM numbers), this pattern suggests:
- The same person used different SIMs — possibly different fraudulent SIMs
- This is particularly significant if the different SIMs were registered on different CNICs — suggesting organized SIM fraud or identity theft at scale
DIRBS and CDR analysis is one of the most powerful tools FIA’s Cybercrime Wing has for identifying organized SIM fraud operations.
IMEI Blocking as a Fraud Response
PTA can direct operators to block a specific IMEI when it is associated with confirmed fraud. This means even if a criminal acquires a new SIM after their original fraudulent SIM is deactivated — if PTA has blocked their device IMEI — the new SIM will not work in that device.
Buying a Second-Hand Phone in Pakistan — DIRBS Check is Non-Negotiable
Pakistan has a thriving used phone market. Before purchasing any second-hand phone:
Step 1 — Get the IMEI before paying. Dial *#06# on the device in front of the seller. Write down the IMEI.
Step 2 — Check DIRBS immediately. Go to dirbs.pta.gov.pk or SMS the IMEI to 8484. If the result is not “Compliant” — do not buy.
Step 3 — Check for IMEI tampering. Compare the IMEI displayed by *#06# with the IMEI on the box (if available) and on the SIM tray. If they differ — the IMEI may have been tampered with. Do not buy.
Step 4 — Verify the SIM information. Ask the seller to remove their SIM before you check the IMEI. A seller reluctant to let you check DIRBS is a warning sign.
Why this matters beyond the device itself: A phone with a blocked IMEI is worthless as a mobile device. A phone with a fraudulently registered IMEI may create complications if it was previously used in criminal activity and its IMEI appears in law enforcement databases.
Registering an Imported Phone — DIRBS Personal Import Process
If you brought a phone from abroad (a foreign-purchased device) or received one as a gift from overseas, you need to register it with DIRBS within the grace period:
Traveler’s Baggage Allowance
Pakistani travelers returning from abroad can bring one phone duty-free without formal import documentation, registering it through DIRBS as personal baggage:
Process:
- Visit dirbs.pta.gov.pk
- Select “Device Registration” → “Traveler’s Device”
- Enter IMEI, device make and model, country of purchase
- Provide CNIC
- Pay applicable taxes (calculate via the portal)
- Receive registration confirmation
Timeline: Registration should be completed within 60 days of entry into Pakistan. After 60 days, unregistered devices face blocking.
Tax note: Imported devices are subject to applicable customs and tax duties. The DIRBS portal calculates these based on device value — payment is integrated into the registration process.
SIM Information and DIRBS — The Complete Device Identity Picture
Your complete mobile identity in Pakistan has two components:
SIM identity: The CNIC-linked subscriber identity registered in PTA’s SVMS — what the 668 service checks. Managed through network operators.
Device identity: The IMEI-linked device registration in DIRBS — what dirbs.pta.gov.pk checks. Managed through PTA’s device registry.
Together, these two systems create a complete picture. For fraud investigations, law enforcement uses both:
- SIM registration (SVMS) to identify who a number is registered to
- Device registration (DIRBS) to identify what physical device was used
Check your SIM information regularly at SimOwner.net.pk alongside periodic DIRBS checks of your devices — this comprehensive monitoring gives you the complete mobile identity security picture.
What to Do if Your Phone Is Reported Stolen — DIRBS Blocking Process
If your phone is stolen, you can request PTA to block its IMEI — preventing the thief from using it on any Pakistani network:
Step 1 — File a police FIR. A police FIR for mobile theft is required before PTA will process an IMEI blocking request.
Step 2 — Contact PTA. File a complaint at complaint.pta.gov.pk or call 0800-55055 with:
- Your device’s IMEI
- Police FIR copy
- Your CNIC
Step 3 — IMEI blocking. PTA directs operators to block the IMEI. Blocking typically processes within 24–72 hours.
What blocking achieves: The stolen device cannot connect to any Pakistani network. This reduces the resale value of the stolen device significantly — deterring theft to some extent and protecting you from the device being used in fraud.
International blocking: Pakistan participates in the GSMA’s international IMEI blacklist coordination — a blocked Pakistani IMEI is shared with international databases, potentially blocking the device on international networks as well (depending on the destination country’s participation).
Frequently Asked Questions
Q: My phone shows “No Service” after returning from abroad. Could it be IMEI blocked?
A: Yes — if your phone worked before leaving Pakistan and does not work on return, check your IMEI at dirbs.pta.gov.pk. If “Blocked,” contact PTA to understand why and initiate unblocking if incorrectly blocked. Also check your SIM’s 668 status in case the issue is SIM-related rather than IMEI-related.
Q: Can two phones have the same IMEI?
A: Every genuine IMEI should be unique globally — assigned by the manufacturer per GSMA standards. Counterfeit phones often have duplicated IMEIs (cloned from legitimate devices). If your DIRBS check returns “Compliant” but you bought the phone from an informal market, be aware that a duplicate IMEI could later be blocked if the original device it was cloned from is reported stolen.
Q: If I change the physical SIM in my phone, does the IMEI change?
A: No — IMEI is embedded in the device hardware and cannot be changed by swapping SIM cards. IMEI is permanent to the device.
Q: Can I use a phone with a non-compliant IMEI for WiFi calls only?
A: A non-compliant or blocked phone can still connect to WiFi and use internet-based calling apps (WhatsApp, Google Meet, Zoom). The DIRBS block only affects cellular network connectivity — WiFi is unaffected.
Q: How do I know if a phone I want to buy was previously used in fraud?
A: DIRBS shows device registration status but not detailed usage history (that is in operator CDRs, accessible only to law enforcement). A Compliant DIRBS status is the best publicly verifiable indicator. For added assurance on high-value purchases, ask the seller for the original purchase receipt.
Q: My phone has two IMEIs (dual SIM). Do I need to check both?
A: Yes — check both IMEIs separately on DIRBS. Dual SIM phones have two separate IMEI numbers, and theoretically each could have a different registration status (though in practice, both are usually registered together as part of the same device).
Summary: DIRBS IMEI Check Quick Reference
| Topic | Detail |
|---|---|
| Find your IMEI | Dial *#06# on any phone |
| Web check | dirbs.pta.gov.pk (free) |
| SMS check | Send IMEI to 8484 |
| Status: Compliant | No action needed |
| Status: Non-Compliant | Register immediately at DIRBS portal |
| Status: Blocked | Contact PTA — may be stolen report or non-compliance |
| Stolen phone blocking | Police FIR + PTA complaint |
| Imported phone registration | dirbs.pta.gov.pk → Traveler’s Device |
| SIM fraud investigation link | Criminal’s IMEI recorded in CDRs — traced via DIRBS |
For complete SIM registration verification, device identity checks, and Pakistan’s most comprehensive mobile security resources, visit Sim Owner Details — Pakistan’s trusted SIM information resource since 2015.
All DIRBS portal details and PTA procedures verified as of Jun 2026. SimOwner.net.pk is not affiliated with PTA or any government entity.
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