Apple is holding its most vital launch occasion of the yr on Tuesday at its headquarters in Cupertino, California, the place it is anticipated to unveil new {hardware}, together with the iPhone 15.

Apple will current a prerecorded video that includes firm executives to launch the merchandise, which shall be streamed on YouTube and Apple’s web site. Final yr’s occasion lasted about an hour an a half. Apple has used prerecorded movies for its product showcases since 2020.

Apple’s launches are vital for the corporate and construct hype for the merchandise and set the stage for a advertising blitz heading into the December quarter, its largest gross sales interval of the yr. Thirty-one million individuals have watched Apple’s YouTube video from final yr’s launch, revealing that clients nonetheless prefer to get info instantly from the corporate.

This yr, the tech big is hoping the brand new iPhones can bust a gross sales droop, fend off renewed competitors from Huawei and persuade homeowners of Android telephones to modify.

Apple additionally introduced its new VR headset, the Imaginative and prescient Professional, in June forward of a deliberate launch in 2024. The corporate might present an replace on its efforts to draw builders, however extra particulars about that product are possible to not be launched till subsequent yr.

Apple’s Macs and iPads are unlikely to see new reveals on Tuesday, given the corporate normally prefers to offer them their very own occasions. Final yr, Apple introduced new iPads by way of a press launch.

This yr’s launch invites have the tagline “Wonderlust,” though the taglines do not essentially preview what the corporate is asserting. CNBC shall be masking the launch reside from Apple’s headquarters and with a reside weblog on CNBC.com.

Final yr, Apple introduced new iPhones, Apple Watches and up to date AirPods at its September occasion. This is what to anticipate from this yr’s version:

Apple is predicted to launch 4 new iPhone fashions, persevering with the sample that is been in place since 2020. If Apple retains its naming sample, this yr’s fashions will share the iPhone 15 model.

Apple is more likely to launch two sizes of middle-range iPhones, one with a 6.1-inch display and one with a 6.7-inch display, in addition to two sizes of upper finish “Professional” telephones with titanium casing and higher cameras, in keeping with experiences from Bloomberg Information, TF Worldwide Securities {hardware} analyst Ming-Chi Kuo and Wall Road analysts.

This yr, the most important change is predicted to be a USB-C charging port, changing Apple’s proprietary Lightning port, which was launched in 2012 because the iPhone charger “for the subsequent decade.”

A USB-C charging port on iPhones will match the identical charging port on Android telephones, newer laptops, iPads, wi-fi headphones and different devices.

The change is being spurred by new European laws which require a standard charging port. Apple is unlikely to say that the change was required by a brand new legislation, however it’s going to most likely emphasize the positives for customers, comparable to comfort and sooner charging. It may additionally give the port a proprietary Apple advertising identify.

New Professional fashions might additionally get a titanium casing, changing the stainless-steel used prior to now few fashions. Titanium is lighter than metal, decreasing the telephones’ complete weight. Occasion invites present an Apple brand in what appears like a titanium end.

Decrease-end telephones — anticipated to be referred to as merely iPhone 15 — might get an improve to what the corporate calls the “dynamic island,” or a cutout that holds the cellphone’s facial recognition cameras towards the highest of the display. Final yr’s Professional fashions ditched Apple’s “notch” for the undulating window, which might present real-time updates, comparable to how distant an Uber is or what’s enjoying on the music app. The mute change, which has been current on iPhones for over a decade, might achieve new capabilities as a customizable “motion button.”

Apple can also be more likely to concentrate on digicam and chip enhancements as causes for the improve. The most important and costliest iPhone mannequin, the larger Professional, might get a brand new lens that may zoom with twice the power because the 3x zoom lens on the iPhone 14 Professional, in keeping with Bloomberg.

One open query is whether or not Apple will increase value factors. Some analysts suppose so, noting rising prices for components like reminiscence or processors. Nevertheless, Apple didn’t increase U.S. iPhone costs final yr beneath related situations. It does tweak its costs all over the world usually after launches and in response to forex fluctuations.

Final yr, Apple launched the Apple Watch Collection 8 and a brand new high-end titanium mannequin referred to as the Extremely in September.

Each are more likely to get updates this yr, though Apple’s Watches do not sometimes get as many main adjustments from yr to yr because the iPhones. Apple’s mainstream watches have had the identical dimension and form since 2018.

The corporate is more likely to improve the chip inside the brand new watches, in addition to replace its well being sensors, in keeping with analysts. However Apple could save larger adjustments for the system’s tenth anniversary subsequent yr.

Apple additionally has a number of equipment that use Lightning connectors, comparable to a few of its AirPod fashions, Beats headphones, mice and keyboards.

AirPods Professional will get a brand new characteristic that does not want new {hardware} referred to as Adaptive Audio. It makes use of machine studying and software program to intelligently flip down the quantity and noise canceling so customers can pay attention to their instant environment.

Apple will possible replace its equipment to work with USB-C, however the up to date equipment might not be mentioned on Tuesday, or could possibly be launched later.

Even customers who do not plan to select up a brand new iPhone or Watch will get new software program for his or her gadgets. Apple previews its newest working programs for its gadgets in June, then releases them in September alongside new iPhones.

Lots of Apple’s finest new options do not require new {hardware} and shall be out there to everybody with an iPhone launched since 2018.

This is some of what’s new in iOS 17:

• The software program features a revamp of the caller ID display referred to as “contact posters” the place customers can select the photographs that present up after they name different iPhone customers.
• Autocorrect has been improved utilizing a transformer-based language mannequin, the identical know-how underpinning functions like ChatGPT.
• A brand new Journal app encourages customers to avoid wasting ideas and emotions every day and makes use of on-device machine studying to identify patterns with out sending the information to a server within the cloud.
• A brand new standby dock mode turns your cellphone right into a clock with widgets that may present alarms, appointments or different updating info.
• A enterprise card substitute referred to as NameDrop permits two iPhone customers to change private info by tapping their telephones collectively.
• Offline Apple maps make it attainable for customers to avoid wasting big swaths of roads and land to navigate even with out cellphone service.