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Your phone shows one bar or no signal in areas where it should have full coverage. Calls drop, mobile data is painfully slow, and text messages fail to send. Persistent poor cellular signal is a hardware or software fault, not simply a network coverage issue. Pro-Logic Technologies diagnoses and repairs cellular signal problems at root cause.
Why Phones Have Poor Cellular Signal
- Damaged cellular antenna — the cellular antenna is a physical component inside the phone, typically running around the edge or back of the device. A drop, a bent frame, or an improperly fitted replacement part can damage or detune the antenna.
- SIM tray and contact issues — a SIM card that is not properly seated, a damaged SIM tray, or worn SIM contacts can cause signal problems that resemble antenna failure.
- Baseband processor fault — the baseband is the chip responsible for all cellular communication. After liquid damage or severe impact, the baseband IC can fail or become unstable.
- Software/modem firmware corruption — corrupted modem firmware causes degraded or absent cellular signal even with intact hardware.
- Physical damage to the RF components — components on the motherboard responsible for signal amplification and filtering can be damaged by impact or liquid.
Step 1: SIM and Software Check
We reseat the SIM card carefully and test. We also reset network settings and check for modem firmware updates. Many signal issues are resolved at this stage.
Step 2: Antenna Inspection
Opening the device, we inspect antenna connections. A disconnected or damaged antenna connector is refitted. On phones with antenna lines integrated into the back cover or frame, we inspect for damage from previous drops or repair work.
Step 3: Board-Level Diagnosis
Baseband IC and RF component faults are diagnosed using specialist equipment and addressed through micro-soldering repair. This is advanced repair, but it is a service Pro-Logic Technologies is equipped to perform.
Strong, reliable signal is fundamental to a usable phone. Trust Pro-Logic Technologies to restore it.
