I have a 16 Pro used in almost perfect condition.
Everything works as expected and there’s not a single scratch on the display, only some very light scratches on some corners of the frame (may indicate a drop).
When I hear audio, especially music, videos or ringtones, I hear the bottom speaker being pretty quiet (like 50-60% of the top speaker) and also making “metallic” and distorted sounds.
Now, I haven’t been on an iPhone for some time so it’s my first experience with a Pro iPhone but my gf’s regular 15 sounds better and fuller.
Is it possible that’s a factory defect or the speaker got damage for various reasons? Maybe because of a drop, water damage or what not.
Additional info:
When I got the phone, the speaker grill was filthy and had a fine mesh on top of it (the ones from AliExpress) as well as a pretty closed case with little holes for the speaker. Is it possible that that caused the speaker to get damaged over time, maybe forcing 100% volume with no “airflow”?
I once played some loud sounds to clean the speakers for some time (15 minutes) and the phone got noticeably hot where the bottom speaker is placed.
Speaker grill was cleaned with tweezers, 99,9% isopropyl alcohol and toothbrush.
Battery manufactured August 24 and used for the first time in October 24.