These codes were part of the "Mirage" event series in early January 2023: : Released Jan 1, 2023 8BS3S2 : Released Jan 9, 2023 U4G8H9 : Released Jan 13, 2023 FGZCWJ : Released Jan 18, 2023 How to Redeem MLBB Codes
While there were no general "all-access" codes specifically for free in January 2023, several event-based codes for Mobile Legends: Bang Bang (MLBB) and Mobile Legends: Adventure (MLA) were active during that period. Mobile Legends: Adventure (MLA) Codes Mobile Legends Redeem Codes (Jan. 2023) Free Magic Potions
If you have a code for the main game, follow these steps on the Official Code Exchange : These codes were part of the "Mirage" event