Tuesday, November 12, 2019

Mobile Repair

1. Mobiles basic Electronics Electrical parameters – Current, Voltage, Frequency Mobile electronic Components – Resistors, Capacitors, Diodes, Transistors and LEDs Use of Multimeter – Measuring resistance, capacitance, voltage, batteries 2. Mobile Phone Components Mobile Components – Speaker, Mic, Ringer, Vibrator, Charging Connector, Memory, Antenna Batteries – Types of batteries, Standby time, Talk time. Chargers. 3. Mobile Basic Introduction GSM / CDMA Technology Basic Working Different terms used in mobile phones – Bluetooth, SMS, Memory Cards Different services – GPRS, WAP, 2G, 3G Different Functions – Speed dialing, Call waiting, Call conference etc. 4. Basic Troubleshooting Tools used for opening mobile Phones Disassemble and Assembly of Mobile Phones. L2 Components testing, troubleshooting and replacement – Display, Speakers, Mic, Vibrators, ringers, Antennas, charging connector. Cleaning method of PCB. Replacement of panels. 5. Advance Mobile Hardware Different sections in mobile phone – PFO section, RF section, Baseband section Introduction to Various ICs and electronic components. – PA, Antenna switch, RAM IC, Cobb, Power IC, Charging IC, CPU (MAD / UPP),filers, Thavo IC, etc. Soldering/desoldering of mobile components. Using blower for removing mobile components. Study of Block diagram and PCB pictorial. Tracing and trouble shooting through circuit diagram. 6. Software Introduction Introduction to personal computers. Software features like downloading thru bluetooth, data backup etc. Connecting Mobile with PC. Introduction of flashing and software upgrades. 7. Software World Class Unlockers Flashing and unlocking with UFS – Nokia Flashing and unlocking with JAF – Nokia Flashing and unlocking with Cruiser – Sonyericsson Flashing and unlocking with Infinity – China and unlocking Flashing and unlocking with NSpro – Samsung Flashing and unlocking with Spiderman – China Flashing and unlocking with Setool2 – Sony Flashing and unlocking with Ultima box – Motorola Flashing and unlocking with Smart Clip – Motorola 8. Software Free Unlockers Unlocking Apple – iphone free ODM Unlockers Unlock HTCXDA Pocket PC Samsung Rocker software Nokia BB5 Unlocker MS-Tool Unlocker for Motorola Siemens Unlocker And many more†¦.. 9. Faults and Solutions – Hardware (L1 / L2 / L3) Circuit diagrams and PCB diagrams showing faults and solutions for Nokia, Motorola, Sony, LG, Samsung. Jumper Settings – Nokia, Sony, Motorola, LG, Samsung and China Phones

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