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Apple iPhone 4 Technician Manual

Apple iPhone 4 Manual Online:

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Apple iPhone 4 User Manual
Apple iPhone 4 User Guide
Apple iPhone 4 Online Manual

Text of Apple iPhone 4 User Guide:

  • Apple iPhone 4, iPhone 4 Symptom Charts — Sound Issues 78 2012-02-21 Headphone Microphone Issues Known-Good Parts & Materials Required: Apple Earphones with Remote and Mic, Dock Connector to USB Cable, computer running the latest version of iTunes with a known-good USB port Quick Check Symptoms Quick Check • No audio from headphone microphone • Distorted sound from headphone microphone 1. If issue is with device microphone, jump to Microphone Issues. 2. Verify that the headphones are fully inserted into the headphone jack. Make

  • Apple iPhone 4, iPhone 4 Verication Testing — Carrier Screening 177 2012-02-21 Carrier Screening This section provides comprehensive instructions to carriers for testing iPhone 4. This information should be used for screening to determine if functional failures exist and to assist in setting the eligibility for potential reuse. Required Tools • Lighted otoscope (or lighted magnifying glass) • ESD-safe brush (922-9918) • ESD-safe tweezers • Micro-ber cloth • Cotton gloves • Apple USB Power Adapter • Apple Dock Connector to USB Cable • Apple Earphones with Remote and

  • Apple iPhone 4, iPhone 4 (GSM model) Take Apart — Service Parts 92 2012-02-21 The following tables will help you identify the correct back cover for the model being repaired by comparing regulatory registration numbers and country of origin on the user’s iPhone. Black iPhone 4 (GSM model) Regulatory Markings FCC ID BCG-E2380A BCG-E2380B Worldwide Part# 922-9709 922-9707 The following countries have distinct part numbers and regulatory markings: • Brazil BZ922-9707 • China CH922-9707 • Korea KH922-9707 • Taiwan TA922-9707 White iPhone 4 (GSM model) Regulatory Markings FCC ID BCG-E2380A BCG-E2380B Worldwide Part# 922-9710

  • Apple iPhone 4, iPhone 4 Verication Testing — Functional Testing 182 2012-02-21 Functional Testing This section may be used by all channels to verify functionality of iPhone 4. Test Multi-Touch and Accelerometer 1. Launch the Calculator app (in the Utilities folder by default) to test all but the top row of the screen. Tap each button on the calculator to verify activity. 2. Hold the device in a vertical plane (upright), not horizontal (at). Rotate iPhone to the left to launch the scientic calculator. Tap all the buttons in the two columns at furthest left.

  • Apple iPhone 4, iPhone 4 Symptom Charts — Connectivity Issues 65 2012-02-21 Deep Dive Check Result Action 1. Identify carrier type. Identify whether the carrier uses CDMA or GSM. Is the device running on a CDMA or GSM network? CDMA Go to step 2. GSM Go to step 3. 2. Contact cellular carrier. Contact the carrier to update the Preferred Roaming List and verify that the account is active. Is the cellular issue resolved? Yes Issue resolved. No Go to step 5. 3. Reseat SIM card. Using the SIM removal tool, eject the SIM c

  • Apple iPhone 4, iPhone 4 (CDMA model) Take Apart — Battery 140 2012-02-21 6 Press battery connector down onto logic board. 7 Position battery against main board. 8 Carefully lay battery down into well, making sure it is centered. Caution: Make sure battery does not scrape against the camera cowling. 9 If unit had been removed from iPhone 4 Battery Fixture tray, reinsert unit into tray.

  • iPhone 4 (GSM model) Take Apart — Main Camera 102 2012-02-21 3 Grasp camera cowling with tweezers as shown and gently pull towards battery to free hooks from under logic board. Warning: Be careful not to tear or puncture the battery. 4 Remove camera cowling from iPhone. 5 Gently lift camera connector from logic board using a black stick. 6 Lift camera out. No

  • Apple iPhone 4, iPhone 4 Verication Testing — Functional Testing 185 2012-02-21 Test GPS iPhone uses signals from GPS satellites, Wi-Fi hot spots, and cellular towers to get the most accurate location. If GPS is available, the location indicator will be a blue ball. GPS testing requires line of sight to the sky for a satellite lock. 1. Go to Settings > Wi-Fi and connect to a known-good Wi-Fi network. 2. Launch Maps app and tap the arrow button in the lower left corner of the screen. Maps should show your current location. Test Compass Maps uses the bui

  • Apple iPhone 4, iPhone 4 (CDMA model) Take Apart — Battery 137 2012-02-21 3 Secure unit in iPhone 4 Battery Fixture tray. 4 Holding tray down with one hand, pull battery removal tab rmly and steadily to free battery from adhesive underneath. The battery will usually release all at once. Warning: If tab breaks o, do not use tools to pry up battery. In this situation, replace the phone as a whole unit.

  • Apple iPhone 4, iPhone 4 (CDMA model) Take Apart — Battery 138 2012-02-21 5 Remove old adhesive from mid-plate. Caution: Be careful of ex cables and other components while removing adhesive. Caution: Do not use cleaning agents to remove the battery adhesive. A black stick can easily lift the adhesive and allow it to be peeled up. Reassembly 1 Peel backing from bottom side of new adhesive pack. 2 Remove iPhone from Battery Removal Fixture.

  • iPhone 4 (GSM model) Take Apart — Vibe Motor 106 2012-02-21 First Steps • Back Cover Note: A replacement vibe motor kit includes new screws. Important: Do not reuse old screws. Tools • iPhone Torque Driver (923-0031) • JCIS #00 Bit (922-9947) for cross-head screws • Nylon Probe Tool (black stick, 922-5065) • ESD-safe tweezers Vibe Motor

  • Apple iPhone 4, iPhone 4 Troubleshooting — General Troubleshooting 26 2012-02-21 Common Troubleshooting Procedures When troubleshooting, attempt the quick xes in the order listed. This table is a summary of these common procedures; see detailed information on the following pages. IMPORTANT: These steps may not be eective for all issues. Apply only the steps necessary to isolate and resolve the issue. Quick Fix Action Update to Latest Software Go to Settings > General > Software Update, if available; or Use the latest version of iTunes (www.itunes.com/download) to check for the latest iOS. Connect the device

  • iPhone 4 (CDMA model) Take Apart — Battery 143 2012-02-21 13 Slide tray back through vertical tower to original position. Important: Only slide the tray back to the point where the white marks align with the front of the tower. 14 Raise red lever to raise pressure roller. 15 Remove iPhone from xture.

  • Apple iPhone 4, iPhone 4 Symptom Charts — Sound Issues 73 2012-02-21 Deep Dive Check Result Action 1. Clean the device. Check that speaker or receiver mesh are not obstructed with lint or debris. Attempt to clean any debris in accordance with the Cleaning Procedures. Are you able to clean the device? Yes Go to step 2. No Determine if the issue is caused by accidental damage. Refer to the Visual Mechanical Inspection guidelines. 2. Retest the device. Play known-good media or go to Settings > Sound > Ringtone and select a ringtone. Is the audio issue resolved? Yes Issue resolved. User’s audio is corrupted. No Go to step 3. 3. Erase all content and settings. Go to Settings

  • Apple iPhone 4, iPhone 4 Symptom Charts — Accessories Issues 81 2012-02-21 Accessories Issues “Accessory not made to work” Known-Good Parts & Materials Required: iPhone accessory Quick Check Symptoms Quick Check • “This accessory is not made to work with iPhone” message, when a “Works with iPhone” accessory is connected or when nothing is connected 1. Make sure: the accessory’s package says “Works with iPhone” and not “Made for iPod” or “Made for iPad.” 2. Verify the device is securel

  • iPhone 4 Take Apart — General Information 85 2012-02-21 General Information Before You Begin • IMPORTANT: Refer to the Visual Mechanical Inspection guidelines to determine if the device has any accidental damage. Check for Liquid Contact Indicator (LCI) activation externally (in headset jack and dock connector) before opening the device. • Remove any cases or

  • Apple iPhone 4, iPhone 4 Symptom Charts — Display Issues 42 2012-02-21 Multi-Touch Issues Known-Good Parts & Materials Required: none Quick Check Symptoms Quick Check • Multi-Touch is slow to respond • Isolated areas not responding • Slider to turn on/o not responding • Erratic response to touch • Display turns on briey and a battery icon ashes 1. Clean the display with a clean micro-ber cloth. Important: Do NOT use liquids, sprays, or abrasives to clean the device. 2. Rule out environmental causes by checking for use of protective lms, cases, gloves, or a styl

  • Apple iPhone 4, iPhone 4 (GSM model) Take Apart — Battery 113 2012-02-21 3 Position new adhesive so the holes align with landmarks on mid-plate. Note: Using a piece of tape folded into a tab on top of the adhesive pack will make it easier to align with the holes on the mid-plate. 4 Use your nger or a black stick to press the adhesive into place, smoothing out all air bubbles. 5 Peel second backing to expose adhesive that will adhere to battery.

  • Apple iPhone 4, iPhone 4 Symptom Charts — Connectivity Issues 64 2012-02-21 3. Test known-good Bluetooth accessory. Attempt to pair device with a known-good Bluetooth accessory. Test for accessory functionality. Does the device function as expected with a known-good Bluetooth accessory? Yes Issue resolved. Bluetooth accessory is not functioning as expected. Refer user to manufacturer for support. No Determine if the issue is caused by accidental damage. Refer to the Visual Mechanical Inspection guidelines. Cellular Call/Text Issues Known-Good Parts & Materials Required: SIM card, SIM removal tool, Dock Connector to USB Cable, computer running the latest version of iTunes with a known-

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