: Typically stands for "English/Latin/Arabic" or similar regional language support. "Solid Feature" Context
: A common identifier for specific chipset or system board manufacturers used in Android car stereos. U1.0.12.31 : The specific version number of the software. GF240123-SMCVI-U1.0.12.31-ELA.rar
Providing the brand of your device (e.g., Teyes, Joying, Xtrons) will help pinpoint the exact feature set. GF240123-SMCVI-U1.0.12.31-ELA.rar
: Improvements that resolve "soft" bugs (crashes, reboots) to make the operating system more "solid" or reliable. GF240123-SMCVI-U1.0.12.31-ELA.rar
: The addition of more permanent, fixed widgets or interface elements that don't disappear or lag.