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In this video, we explain the Itel P55 5G Audio Circuit problem solution — the best guide to fix speaker not working, mic mute, ringer problem, or audio distortion issues. Learn how to test and repair the audio IC, speaker connector, mic lines, and ringer circuit step-by-step. This video is perfect for mobile repair engineers and students who want to understand Itel P55 5G audio hardware in detail. This tutorial includes: ✅ Speaker & mic section testing ✅ Audio IC voltage checking ✅ Jumper ways for speaker and mic lines ✅ Ringer fault detection & repair ✅ Full Itel P55 5G audio circuit diagram explanation Watch the full video for a 100% tested Itel P55 5G sound and mic solution. 🔧 Step-by-Step Repair Guide (30 Steps): Power off your Itel P55 5G completely. Remove SIM tray and open the back cover. Unscrew and remove all shield plates. Disconnect the battery connector. Detach the sub-board flex cable. Check the loudspeaker module for dust or damage. Clean the speaker mesh and test with another unit. Test speaker connector voltage with multimeter. Check continuity from speaker connector to audio IC. If open, make a jumper between lines. Inspect audio IC near the PMIC section. Measure input and output voltage of the audio IC. If no voltage, check the supply line fuse. Replace the fuse if open. If still no sound, reflow the audio IC carefully. Replace the IC if shorted or dead. Test mic lines for continuity. Clean the mic hole and replace mic if necessary. Check mic bias voltage (1.8V–2.8V). If no bias, jumper from PMIC mic line. Check ringer and vibration section for shorts. Replace damaged filter or coil. Check ground continuity for speaker and mic pins. Inspect audio flex connector for corrosion. Clean with IPA and reconnect properly. Reassemble the sub-board and main board. Power on and test speaker sound output. Record a voice note to check mic function. Verify sound in call and media playback. Congratulations — Itel P55 5G audio circuit fixed! 🔥 Hashtags: #ItelP55 #ItelP555G #ItelP55AudioProblem #ItelAudioCircuit #ItelSpeakerProblem #ItelMicProblem #ItelRingerProblem #ItelAudioSolution #AudioICRepair #ItelHardwareRepair #ItelSoundProblem #SpeakerICRepair #MicNotWorkingFix #RingerSolution #ItelRepairGuide #HardwareRepair #StepByStepRepair #ItelP55HardwareFix #ItelAudioRepair #RepairGuide #USA #UK #Europe #India #Pakistan #Bangladesh #Nigeria #UAE #HowToFixItelP55