From a carrier: 2–10 days. From Alcatel: up to 14 days. Paid services: 15 minutes to 24 hours.
To "free" an Alcatel phone from its carrier lock, you typically need a specific 8- or 10-digit . While many websites claim to offer these codes for free, the only truly secure and cost-free method is through your original service provider. 1. Official Methods to Get a Free Unlock Code
No. Carrier unlocking does not void the manufacturer warranty (TCL/Alcatel). However, if you damage the phone during a DIY method (e.g., flashing firmware), that is not covered.
Call your carrier's customer service or visit their website to request a "SIM Network Unlock Code". Wait for the Code: