The life of devices and SIMs in BSS: retail kits, pairing devices with SIMs, locking and unlocking, blocking stolen devices, financing and returns.
A device, SIM and accessories sold as one item with one stock code.
Record which device (IMEI) is used with which SIM (IMSI), for locking and fraud checks.
Devices sold on plans can be locked to the network until rules are met, such as paid-off instalments.
Lost and stolen devices are blocked in the equipment identity register; recovered ones are unblocked.
The first network use of a device can trigger activation, commissions or warranty start.
Device instalment plans with receipts, early pay-off and upgrades.
Customer asks to unlock a device.
Paid-off device, account in good standing, minimum time on network.
Approve, or tell the customer what is still needed.
Send the unlock to the device or network.
Store the decision for audit.
Customer returns within the allowed period.
Check the device condition.
Reverse the sale, instalments and commissions.
Return the device to stock or refurbish.
Detect stolen-device resale and unusual pairing changes.
Predict who is ready for a new device.
This page describes generic industry practice and public standards. It is not based on, and does not describe, any particular vendor's product or operator's systems.