My S21 fe device is getting heating issue after latest security patch update in February 2025, and update the latest security patch update in March, the problem is same here, can someone suggest me any idea?

Open setting>mobile networks>network operators>disable select automatically > now tap on Scan networks> if your area have 5g network... select your operator...Like true jio 5g etc.... I solved my problem permanently now my mobile working very fast wi...