Apple iPhone 4 Troubleshooting

Apple iPhone 4

What issues are you experiencing?

Power

Internet & Network

Power

  • How to take screenshots
  • Camera Has Black Spot
  • Out-of-focus and blurry camera
  • Camera keeps closing by itself

Operating System

Calls & Texts

Audio

  • Microphone is not working
  • Sound is distorted when using Facetime
  • Buzzing speaker, inaudible sound output

Applications

  • Facebook keeps on crashing
  • Won’t connect to App Store
  • Can’t install or download apps
  • Whatsapp the keeps crashing

Screen

  • Responding to touch inputs very slowly
  • Got stuck on a black screen
  • Screen keeps on flickering
  • Shows some dead pixels on the  screen

Storage

  • How to free up some storage space
  • Where to find pictures taken
  • Not enough space for some apps

Recent Guides

Specifications

Memory

  • 8/16/32GB ROM
  • 512MB RAM
  • no microSD card slot

OS & CPU

iPhone 4

  • iOS 4, upgradable to iOS 7.1.2
  • Apple A4 (45 nm)
  • 1.0 GHz Cortex-A8
  • PowerVR SGX535

iPhone 4S

  • iOS 5, upgradable to iOS 9.3.5
  • Apple A5 (45 nm)
  • Dual-core 1.0 GHz Cortex-A9
  • PowerVR SGX543MP2

Audio

  • comes with a stereo loudspeaker
  • Active noise cancellation with dedicated mic
  • Lightning to 3.5 mm headphone jack adapter

Battery

iPhone 4

  • Non-removable Li-Po 1420 mAh battery
  • Stand-by: Up to 300 h (2G) / Up to 300 h (3G)
  • Talk time: Up to 14 h (2G) / Up to 7 h (3G)
  • Music play: Up to 40 h

iPhone 4S

  • Non-removable Li-Po 1432 mAh battery (5.3 Wh)
  • Stand-by: Up to 200 h (2G) / Up to 200 h (3G)
  • Talk time: Up to 14 h (2G) / Up to 7 h (3G)
  • Music play: Up to 40 h

Display

  • IPS LCD capacitive touchscreen, 16M colors
  • 3.5 inches, 36.5 cm2 (~54.0% screen-to-body ratio)
  • 640 x 960 pixels, 3:2 ratio (~330 ppi density)
  • Corning Gorilla Glass, oleophobic coating

Connectivity

  • Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot
  • Bluetooth v2.1, A2DP
  • comes with A-GPS
  • USB 2.0
  • with NFC capability that supports Apple Pay only

Camera

iPhone 4

Main Camera

  • 5 MP, f/2.8, 1/3.2″, 1.75µm, AF
  • LED flash, HDR
  • 720p@30fps

Selfie Camera

  • VGA, videocalling over Wi-Fi only
  • 480p@30fps

iPhone 4S

Main Camera

  • 8 MP, f/2.4, 35mm (standard), 1/3.2″, 1.4µm, AF
  • LED flash, panorama, HDR
  • 1080p@30fps

Selfie Camera

  • VGA, videocalling over Wi-Fi and 3G
  • 480p@30fps

Build

  • Dimensions: 115.2 x 58.6 x 9.3 mm (4.54 x 2.31 x 0.37 in)
  • Weight: 137 g (4.83 oz)
  • Front/back glass & aluminum frame
  • Micro-SIM
  • Scratch-resistant glass back panel