Check IMEI number online
ClientCheck IMEI number online is phrasing-focused copy for the same local workflow: paste the modem serial, read Luhn pass/fail, export nothing to our servers.
IMEI number vs other IDs
IMEI identifies the cellular modem. Serial numbers, MEID (CDMA), and ICCID (SIM) serve different roles—paste the field your form explicitly requests.
?
A 15-digit IMEI is commonly described as eight-digit TAC + six-digit serial + Luhn check digit; the trailing digit should satisfy ISO/IEC 7812 mod 10 on the full string—same arithmetic as debit/credit PAN checks. A 16-digit IMEISVappends two software version digits instead of exposing the standalone check position; carriers may still relate it to IMEI numbering but this page stops at segmentation and does not certify assignment.
Result
Passes Luhn mod 10 on the 15-digit string.
- TAC (8):
35693803 - Serial (6):
564380 - Check (1):
9
Common use cases
- Match IMEI on device About screen against portal activation fields.
- Pre-check numbers before pasting into insurance claim forms.
- Batch-check shipment files before WMS import.
Common mistakes to avoid
Checking serial number when label says IMEI
Device serial and IMEI are different fields—read the correct row.
Expecting online check to show blacklist status
No stolen-device registry query—format only.
Including spaces or dashes without letting the tool strip them
The tool normalizes separators—paste as printed.
FAQ
Where do I find the IMEI number?
Settings → About on most phones; also on barcode labels and *#06# dialer on many GSM devices.
Does checking IMEI online activate anything?
No—local validation only.
How many digits should a GSM IMEI have?
15 decimal digits with a valid Luhn check digit for standard IMEI layout.
Common search terms
Phrases people search for that match this tool. See the full long-tail keyword index.
- imei checker online validate luhn
- gsm imei check digit calculator browser
- imeisv split tac serial software version
- 15 digit imei validity check local
- calculate imei check digit from 14 digits
- free imei checker online
- validate imei number online
- imei luhn check browser
- android imei check format
- iphone imei validator local
More tools
Related utilities you can open in another tab—mostly client-side.
MEID checker (CDMA)
Client14–15 hex or 18–19 decimal Mobile Equipment Identifier—Luhn mod‑10/16 check digit; RR/manufacturer/serial split—no TIA lookup; browser-only.
Luhn checksum (mod 10)
ClientPaste a digit string (spaces ignored)—pass or fail Luhn for PANs, IMEI-style IDs, and test vectors; browser-only.
VIN check digit (17-char)
ClientNorth American–style vehicle ID: ninth-position mod 11 checksum, WMI and sequential split—no DMV or OEM decode API; browser-only.
ICCID checker (SIM)
Client18–22 digit ICCID: telecom MII hint (89), E.118 / ISO 7812 Luhn on full string—no carrier or SM-DP+ lookup; browser-only.