1822 is the number of iPad-Common Problem-php.cn

1822 is the fifth generation of iPad. iPad (5th generation) is a tablet computer released by Apple on March 21, 2017. It is equipped with an A9 chip with 64-bit desktop computer-class architecture, bringing fast processing power and graphics processing performance to apps and games; equipped with Retina display screen with over 3.1 million pixels, making photos and videos vivid and lifelike.

1822 is the number of iPad

The operating environment of this tutorial: iPadOS 15 system, iPad (5th generation).

1822 is the fifth generation of ipad.

The fifth generation iPad, also known as iPad 2017, is a tablet computer released by Apple on March 21, 2017 in CUPERTINO, California, USA.

iPad (5th generation) is equipped with a front-facing 1.2-megapixel photo camera and a rear-facing 8-megapixel camera; screen size 9.7 inches; 2048x1536 pixel resolution; A9 chip; M9 co-processor; Lightning interface; RAM 32GB, 128GB; 802.11ac MIMO Wi-Fi, Bluetooth 4.2, supports Touch ID fingerprint recognition.

iPad (5th generation) uses an aluminum-magnesium alloy unibody structure; the front frame is white or black; it comes in three exterior colors: silver, gold and space gray.

1822 is the number of iPad

Functions

##Display
iPad (5th generation) features a Retina display with more than 3.1 million pixels, making photos and videos come alive.
Processor
iPad (5th generation) is equipped with an A9 chip with 64-bit desktop computer-class architecture, bringing fast speed to apps and games processing power and graphics performance, while also ensuring a day's worth of battery life.
The fifth generation of ipad uses the 64-bit architecture A9 chip and embedded M9 co-processor. The rear camera supports an 8-megapixel camera, supports 1080p video shooting, and supports a 12-megapixel FaceTime HD camera. And it has a built-in 32.4Wh lithium polymer rechargeable battery.
Camera
The iPad (5th generation) front and rear cameras perform well in low-light environments and can capture HD video allows users to make FaceTime video calls with friends and use the Retina display as a viewfinder.
Touch ID
iPad (5th generation) with Touch ID provides iPad users with a simple and secure way to unlock their iPad , protect the privacy of personal information within the app, and perform purchase confirmation in the App Store. Use Apple Pay on iPad to pay for goods and services within the app.

1822 is the number of iPad

Configuration parameters

iPad (5th generation) Configuration parameters##Buttons and Connection Ports Home Screen/Touch ID SensorConnection portLightning interfaceDisplayRetina displayChip64-bit architecture A9 chipCamera8MP camera


Capacity	Wireless LAN model: 32GB, 128GB Wireless LAN Cellular Network Models: 32GB, 128GB
	Built-in Stereo Speakers Lightning Connector 3.5mm Headphone Jack On/Off-Sleep/Wake Volume: increase/decrease Nano-SIM card slot (wireless LAN cellular network model)

	9.7-inch (diagonal) LED-backlit multi-touch display, using IPS technology 2048x1536 pixel resolution, 264ppi Using anti-oil and anti-fingerprint coating
	Embedded M9 co-processor
	Live Photo Autofocus Panoramic Mode (up to 43 million pixels) HDR Photo Exposure Control Continuous snapshot mode Tap focus Timer mode ƒ/2.4 aperture Five-element lens Hybrid infrared Filter Back-illuminated photosensitive Automatic image stabilization function Face recognition function Photo geo-tagging function
Video shooting	1080p HD video shooting (30 frames) Slow motion video (120 frames) Time-lapse photography video (supports anti-shake function) Video anti-shake function Facial recognition function Triple video zoom Video geo-tagging function
FaceTime HD Camera	1.2 million pixel photos Live photos ƒ/2.2 aperture Retina screen flash 720p HD video shooting Back-illuminated photosensitive HDR photos and videos Facial recognition function Burst snapshot mode Exposure control Timer mode
Video call	##Wireless LAN models: FaceTime Video Calls Use your iPad over Wi-Fi with any device that supports FaceTime Video Call Wireless LAN Cellular Models: FaceTime Video Call Use your iPad to talk to anyone who supports FaceTime over Wi-Fi or Cellular Device for video calls
Cellular and wireless connections	Wireless LAN models: Wireless networking (802.11a/b/g/n/ac); dual-band (2.4 GHz and 5 GHz); support for MIMO technology Bluetooth 4.2 technology for HT80 Wireless LAN Cellular Network Model :Wireless network (802.11a/b/g/n/ac); Dual band (2.4 GHz and 5 GHz); MIMO technology supporting HT80 Bluetooth 4.2 technology UMTS (WCDMA)/HSPA/HSPA/DC‑ HSDPA (850, 900, 1700/2100, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz) CDMA EV-DO Rev.A (800, 1900 MHz) TD-SCDMA (1900 (F), 2000(A)) FDD-LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29); only Suitable for international roaming TD-LTE (bands 38, 39, 40, 41) Cellular data only
SIM card	Nano-SIM card
Location function	Wireless LAN model Digital Compass Wireless Network iBeacon Micro Positioning Wireless LAN Cellular Network Model Digital Compass Wireless Network Assisted GPS and GLONASS positioning system Cellular network iBeacon micro-positioning
Sensor	Touch ID Three-axis gyroscope Acceleration sensor Device Barometer Ambient light sensor
##Touch ID	Fingerprint recognition sensor built into the home button
Power and battery	Wireless LAN model Built-in 32.4Wh lithium polymer rechargeable battery Use wireless network to browse the web, watch videos, or listen to music, the usage time can be up to 10 hours Through the power adapter or Computer USB port charging Wireless LAN cellular network model Built-in 32.4Wh lithium polymer rechargeable battery Use wireless network to browse the web, or watch videos, or listen Music, up to 10 hours of use Use cellular network to browse the web, up to 9 hours of use Charge via power adapter or computer’s USB port
Audio playback	Frequency response: 20 Hz to 20000 Hz Supported audio formats: AAC (8 to 320Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320Kbps), MP3 VBR, Dolby Digital (AC-3), Dolby Digital Plus (E-AC-3), Audible (Formats 2, 3 , 4, Audible Enhanced Audio, AAX and AAX), Apple fidelity compression, AIFF and WAV User-configurable maximum volume limit
Video playback	Air play mirroring, photos, audio and video output to Apple TV* (2nd generation or newer models) Video mirroring and video output support : Up to 1080p through Lightning digital audio and video converter and Lightning to VGA converter (converter needs to be purchased separately) Supported video formats: H.264 video: supports up to 4K, 30 frames, High Profile level 4.2 encoding, the audio is AAC-LC format that supports up to 160Kbps, 48kHz, stereo, or Dolby format that supports up to 1008Kbps, 48kHz, stereo or multi-channel, and the file formats are .m4v, .mp4 and .mov; MPEG-4 video: supports up to 2.5 Mbps, 640x480 pixels, 30 frames, Simple Profile encoding, and its audio is AAC-LC format that supports up to 160Kbps per channel, 48 kHz, stereo, or supports up to 1008Kbps, 48 Kilohertz, stereo or multi-channel Dolby format, and the file formats are .m4v, .mp4 and .mov; Motion JPEG (M-JPEG): supports up to 35Mbps, 1280x720 pixels, 30 frames, and its audio is ulaw format, PCM The format is stereo, and the file format is .avi
Email attachments support	Viewable document types .jpg, .tiff, .gif (images); .doc and .docx (Microsoft Word); .htm and .html (web pages); .key (Keynote); .numbers (Numbers); .pages (Pages) ); .pdf (Preview and Adobe Acrobat); .ppt and .pptx (Microsoft PowerPoint); .txt (text); .rtf (rich text format); .vcf (contact information); .xls and .xlsx (Microsoft Excel);.zip;.ics

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