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Tecno Tecno Spark 10

Unlock guide

Tecno Spark 10

TAC 35089981 24 TACs on file 2023

Carrier lock

Not verified yet

A model lookup cannot read the lock. The $0.03 SIM lock check names the operator that owns the IMEI in about a minute.

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ReleasedReleased 2023, April
OSAndroid 13, HIOS 12
Display6.6" · 720x1612 pixels
ChipsetHelio G37
RAM4/8 GB RAM
Storage64GB/128GB storage
Main camera50MP
Battery5000 mAh

A Tecno Spark 10 is locked the same way any Tecno handset is: the carrier that sold it holds a record against the IMEI, and the device refuses every other SIM until that record changes. This page shows how the model is identified in the TAC register, what kind of lock it uses, and which of our services apply.

Before you pay anyone. Run the $0.03 SIM lock check first. If the phone is already unlocked, every unlock tier on this page is a waste of money — and the check tells you in seconds.

How a Tecno Spark 10 is identified

The TAC — the first eight digits of the IMEI — is how the register knows which model a handset is, and it is what every unlock and warranty service actually queries. Our register holds 24 TAC ranges under this model name:

TAC prefixLook it up
35089981run the lookup
35105500run the lookup
35310245run the lookup
35379919run the lookup
35512662run the lookup
35608680run the lookup

Dial *#06# to read the IMEI, then compare the first eight digits. Not listed? The lookup will still resolve the model if the range is filed under a different name.

The register dates this model to 2023, which decides how it is locked: handsets of that generation and market follow the rules described below.

Which lock does this model use

Most handsets from this brand are either code-locked (the phone prompts for a network code when a foreign SIM is inserted) or released by the carrier that sold them. Which one applies depends on the model year and on whether it was sold through an operator — the IMEI check tells you before you pay for anything.

On a Tecno Spark 10 the practical test is simple: insert a SIM from a different network. If the phone asks for a code, it is code-locked. If it refuses with “SIM Not Supported” or a carrier-lock notice, it is server-side locked and has to be released against the IMEI. If it just works, it is already unlocked.

Services that apply to this model

ServicePriceType
itel | TECNO | Sonim Warranty+Country Check$0.08Warranty
Tecno Unlock Code NCK - Check Supported Model$2Model / TAC
Remove ID Not MDM on Tecno | iTel | Infinix By IMEI + Picture$7MDM

Brand-level services from $0.08 – $7. The carrier-specific tier is on the carrier guide and on each service page.

What to do, in order

  1. Read the IMEI (*#06#) and confirm the model above — a mismatched model is the most common reason an order is refused.
  2. Run the SIM lock check and the carrier check: about six cents, and they name the operator that owns the record.
  3. Run the blacklist check if you are buying the device rather than unlocking your own.
  4. Order the tier that matches the reported carrier — or, if you are the account holder and the device qualifies, request the free unlock from the carrier.

Other Tecno models

Pop 847 TACs on fileSpark Go 143 TACs on fileSpark 30C42 TACs on fileSpark 742 TACs on fileSpark 8C39 TACs on fileSpark Go 202436 TACs on fileSpark 10 Pro36 TACs on fileSpark 4033 TACs on file

TAC data from the register we query for /tac. Last updated 2026-10-28.