The is not a phone model—it is a USB transceiver IC (Integrated Circuit) found inside many older LG feature phones and early Android smartphones (circa 2008–2012), most notably the LG GT540 (Optimus), LG GW620, LG GM360, and LG GD510.
In the GSM servicing community, software versions are often tracked by their minor build numbers. For instance, version fastgsm agere 100433
After successful installation, Device Manager will show under "Universal Serial Bus devices." The is not a phone model—it is a
As this is "abandonware," many versions found on the internet today are unofficial "cracks" or "loaders." If you are downloading this for a vintage project, ensure you use a sandboxed environment, as these old service tools are frequently flagged for containing malware or trojans by modern antivirus software. When you loaded FastGSM and selected “Agere” as
When you loaded FastGSM and selected “Agere” as the chipset, entering or detecting 100433 would trigger a specific unlock or flash procedure. Key characteristics:
Manually type the provided codes into the phone when prompted (or via a secret dialer code like #7465625*638*CODE# ) to permanently unlock it. Technical Context
FastGSM Agere 100433