https://us.community.samsung.com/t5/Galaxy-S21/UI8-Android-16-update-SIM-not-recognized/m-p/3426429#M97963 I did the reflash today and it went well. All good. Advice for others. Use frija to get the firmware. Much faster and more stable than samfw<BR />Use chatgpt to guide you through all steps. Just ask it to show how to flash your Samsung with Odin step by step. Beats having a useless phone but I'm gifting mine to my mom and getting an iPhone. First ever. <span class="lia-unicode-emoji" title=":smiling_face_with_smiling_eyes:">😊</span> Tue, 09 Dec 2025 16:40:44 GMT dig814 2025-12-09T16:40:44Z