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  2. Fix problems with the AOL app on iOS

    help.aol.com/articles/fix-problems-with-the-aol...

    Verified for iOS 9.3 and later. 1. Double press the Home button or swipe up and hold. 2. Swipe up on the image of the app. 3. Re-launch the app and attempt to reproduce the issue.

  3. Failure of electronic components - Wikipedia

    en.wikipedia.org/wiki/Failure_of_electronic...

    Severe PCB corrosion from a leaky PCB mounted Ni-Cd battery. Printed circuit boards (PCBs) are vulnerable to environmental influences; for example, the traces are corrosion-prone and may be improperly etched leaving partial shorts, while the vias may be insufficiently plated through or filled with solder. The traces may crack under mechanical ...

  4. iPad (4th generation) - Wikipedia

    en.wikipedia.org/wiki/IPad_(4th_generation)

    The iPad (4th generation) [15] (marketed as iPad with Retina display, [16] colloquially referred to as the iPad 4) [17] [18] is a tablet computer developed and marketed by Apple Inc. Compared to its predecessor, the third-generation iPad, the fourth-generation iPad maintained the Retina Display but featured new and upgraded components such as the Apple A6X chip and the Lightning connector ...

  5. Lantern battery - Wikipedia

    en.wikipedia.org/wiki/Lantern_battery

    Lantern batteries are physically larger and consequently offer higher capacity than the more common flashlight batteries. Lantern batteries comprise multiple cells inside a housing. The most common variant in the US is the 6-volt square-base battery with spring terminals. In Europe the most common one is the 4.5-volt flat pack. [1]

  6. Flashlight - Wikipedia

    en.wikipedia.org/wiki/Flashlight

    An LED flashlight has a longer battery life than an incandescent flashlight with comparable output. [10] LEDs are also less fragile than glass lamps. LED lamps have different spectra of light compared to incandescent sources, and are made in several ranges of color temperature and color rendering index. Since the LED has a long life compared to ...

  7. iPad Air (4th generation) - Wikipedia

    en.wikipedia.org/wiki/IPad_Air_(4th_generation)

    The iPad Air (4th generation), informally referred to as iPad Air 4, is a tablet computer developed and marketed by Apple Inc. It was announced by Apple on September 15, 2020. Pre-orders began on October 16, 2020, and shipping began a week later on October 23, 2020, alongside the iPhone 12 and iPhone 12 Pro .

  8. iPad (10th generation) - Wikipedia

    en.wikipedia.org/wiki/IPad_(10th_generation)

    The tenth-generation iPad uses an A14 Bionic processor, previously seen in the fourth-generation iPad Air and the iPhone 12 in 2020. The chip has a 6-core CPU, a 4-core GPU, and a 16-core Neural Engine. [7] The tenth-generation iPad has Bluetooth 5.2 and Wi-Fi 6 (802.11ax) wireless capabilities, as well as sub-6 GHz 5G on cellular models

  9. High resistance connection - Wikipedia

    en.wikipedia.org/wiki/High_resistance_connection

    Consideration should be given to the installation of a preventative system designed to stop electrical connections and accessories from reaching a temperature which would result in a fire. Such a device operates by effectively opening a switch at a pre-set temperature to prevent ignition, smoke or burning odour.