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MEI format check

CDMA MEID/MEI hex layout without carrier lookup.

Client
Valid MEI format: A1000000000001 (RR + manufacturer + serial)

Nearby workflows on Toolcore

  • MEID checker (CDMA) — 14–15 hex or 18–19 decimal Mobile Equipment Identifier—Luhn mod‑10/16 check digit; RR/manufacturer/serial split—no TIA lookup; browser-only. when another identifier column uses a different checksum ruleset.
  • IMEI & IMEISV checker — 15-digit GSM IMEI: TAC/SNR split and Luhn verification; 14-digit check hint or 16-digit IMEISV segmentation—no carrier lookup; browser-only. when another identifier column uses a different checksum ruleset.
  • IMSI format check — Validate International Mobile Subscriber Identity length and digit shape. when another identifier column uses a different checksum ruleset.
  • MAC / EUI formatter — Normalize IEEE EUI-48 or EUI-64: colon, hyphen, dotted (Cisco-style), plain hex—and show multicast / local-admin bits—in your browser only. when another identifier column uses a different checksum ruleset.

Common use cases

  • MEI format check for quick local checks without uploading data.
  • Copy results into tickets, docs, or classroom notes.

Common mistakes to avoid

  • Unexpected input shape

    See the intro and how-to notes for accepted formats.

FAQ

Is processing local?

Yes—this runs entirely in your browser.

Agent prefill?

Use q or qb for the main text field when supported.

More tools

Related utilities you can open in another tab—mostly client-side.