Specifications

iPhone 4 — Updates 9
2012-02-21
Updates
Updated 21 February 2012
Cover Page: Changed document number to version 070-2840-C.
Troubleshooting:
• Removed Visual Mechanical Inspection section. This information is now available in
the separate iPhone Visual Mechanical Inspection Guide. As of this update, the current
version of the iPhone VMI document is 070-2515-E.
• Cleaning: Added warning not to use long metal tools (such as screwdrivers or dental picks)
while cleaning inside the headphone jack, as this could lead to battery puncture.
• Mechanical > Button Issues: Deep Dive step 2: added image and text “With display o,
press center of Home button and verify that display turns on. Repeat same test for the top,
bottom, left and right edges of Home button (3, 6, 9, 12 in image at left). The display should
turn on when pressing any of these 5 locations.”
Take Apart:
• General Information > Required Tools: Replaced old xture with new iPhone 4 Battery
Fixture (923-0075).
• Battery chapters: Updated procedures to use new iPhone 4 Battery Fixture.
Updated 16 November 2011
Cover Page: Changed document number to version 070-2840-B.
Basics:.
• Identifying iPhones > Serial Number and IMEI/MEID Location: Added text to table in
item #4: “Use Motorola DS6707 Scanner (Apple part #922-9230) to scan the barcode of
iPhone 4 (GSM model).”
Troubleshooting > Symptom Charts:
• Power > Battery Life Too Short: Reversed Yes/No actions for Deep Dive step 1.
• Display > Multi-Touch Issues: Reversed Yes/No actions for Deep Dive step 1.
• Mechanical > Button Issues: Deep Dive step 4, no result: added text “For iPhone 4S volume
button issues, try installing Volume Button Shim”.
Take Apart:
• General Information > Required Tools: Added “Motorola DS6707 Scanner (922-9230) for
iPhone 4 (GSM model) serial barcode”.
• SIM Tray chapters: Added image and text “Note: The original SIM tray shows the device’s
IMEI/MEID and serial number.”
• Internal Checks chapters: