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How many hours does the iPhone 4 battery last?
Apple offers to replace the iPhone 4 battery for US$79 plus US$6.95 for shipping in three to five business days….iPhone Q&A.
| iPhone 3GS | iPhone 4 | |
|---|---|---|
| Battery Life (Web – Wi-Fi): | 9 Hours | 10 Hours |
| Battery Life (Music): | 30 Hours | 40 Hours |
| Battery Life (Video): | 10 Hours | 10 Hours |
| Standby Time: | 300 Hours | 300 Hours |
Does iPhone battery last longer on Wi-Fi?
Having Wi-Fi turned on drains your battery if you’re not using it, but if you’re on a wireless network, it’s much more power-efficient to use Wi-Fi than to use cellular data, so switch to Wi-Fi instead of your mobile network when you can to save your phone’s battery life.
What is the battery capacity of iPhone 4?
1,420 mAh
iPhone 4
| iPhone 4 (GSM model) in black | |
|---|---|
| GPU | PowerVR SGX535 |
| Memory | 512 MB LPDDR DRAM |
| Storage | 8, 16, or 32 GB flash memory |
| Battery | 3.7 V, 5.3 Wh (1,420 mAh) Lithium-ion battery |
Is it OK to leave WiFi on all the time on iPhone?
To put it in perspective, the capacity of the battery is about 6,500 mw/hours. If WiFi was the only thing using energy and it was using it continuously the battery would last about 10 days. So again, there is no reason to ever turn off WiFi.
How much does iPhone 4 cost now?
How much does the iPhone 4 cost in 2021? Storage size is generally a major factor affecting iPhone 4 prices. The average sale price for the 32 GB iPhone 4 was $ in August 2021, compared to $35 in March 2021.
How long does the iPhone 4 Battery last?
Also see: ” How do I replace the battery in the iPhone 4?” Apple formally reports that the iPhone 4 (GSM) provides 40 hours of audio playback, 10 hours of video playback, 14 hours of talk time on 2G, 7 hours of talk time on 3G, 10 hours of Wi-Fi internet use, 6 hours of 3G internet use, and 300 hours of standby time.
How can I conserve battery on my iPhone?
Go to Settings > Wi-Fi and set Wi-Fi to Off. Note that if you frequently use your iPhone to browse the web, battery life may be improved by using Wi-Fi instead of cellular data networks. The same principle is true for all other features (bluetooth, push email, etc.). Turn off what you don’t need to conserve power.
Is the WiFi on my iPhone using battery?
Yes. Your phone will be polling periodically for available networks, which will use battery. Even you set it to not ask to join networks, the radio is powered up and that takes some amount of power to do.
How long does Bluetooth battery last on iPhone 8?
When Bluetooth has an active paired connection to a hands-free device it consumes 2.5 mw. As the battery capacity of an iPhone 8 (not plus) is about 6900 mwh, if Bluetooth was the only thing using power the battery would run down in about 2800 hours, or about 3 months.