The lock is not a dead end. While it feels like holding a expensive paperweight, most bypass methods take 20–30 minutes once you have the right tools. Start with the TalkBack exploit (no PC required). If that fails, escalate to the MTK Client method using a Windows PC.
Technical experts often use the NCK Pro Android MTK dongle. By selecting the OT-8051 model and using the "FRP Pattern Pervice" tab, users can reset the lock through a PC connection.
Alcatel Smart Tab 7 2019 WiFi 8051 (TCL Hulk) | Device Specs
Downloading specific APKs (like FRP Bypass or Google Account Manager) to add a new account.