In the box, type your exact device model number (e.g., SM-S918B for the Galaxy S23 Ultra). Do not use marketing names like "Galaxy S23". Check your device settings under "About Phone" to find the exact alphanumeric string.
New unlock algorithms for US carriers (T-Mobile, Verizon, AT&T) on One UI 6.x, plus a fix for the infamous "network lock issue" on Canadian models (W variants). samfirm aio v33 new