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Fourth phone model of the company Fairphone
Fairphone 4Fairphone 4
Brand Fairphone First released 25 October 2021; 3 years ago (2021-10-25) Discontinued December 2024 (2024-12) Units sold 192,056[1] Predecessor Fairphone 3+ Successor Fairphone 5 Form factor Slate Dimensions 162 mm × 75.5 mm × 10.5 mm (6.38 in × 2.97 in × 0.41 in) Weight 225 g (7.9 oz) Operating systemFairphone 4 is a smartphone designed and marketed by Fairphone. It succeeds the Fairphone 3+ and was succeeded by the Fairphone 5. It was announced on 30 September 2021, and was available for order from 25 October 2021[4] to December 2024.[5]
Major upgrades from the predecessor include a larger display, better camera with optical image stabilization, improved selfie camera, 5G support, IP54 dust and splash protection and MIL810G certification, USB-C port, bigger battery, 20W fast charging among other changes.[2][6]
It comes with Android 11 “Red Velvet Cake” with promised two major Android updates[7] (Android 12 “Snow Cone” and Android 13 “Tiramisu”) and up to 5 years of warranty.[8][better source needed]
The Fairphone 4 is made with Fairtrade-certified gold, aluminum from Aluminium Stewardship Initiative (ASI) Performance Standard certified vendors, fair tungsten from Rwanda, recycled tin, rare earth minerals, and plastics.[8]
The phone's modular design is constructed of seven modules, making it easier to repair than most smartphones. The rear of the phone can be removed without using tools. Having removed the rear, the battery can be lifted out and replaced. The display is easily removed using a regular Phillips #00 screwdriver, as well as the different modules.[9]
The phone was originally shipped with Android 11, as of June 2023 it has been updated to Android 13. Fairphone has pledged software support until 2026 and aims to provide upgrades for Android 14 and 15.[10]
Fairphone 4 is supported by LineageOS, which makes Android 15 available for the device. CalyxOS 4.2.7, Android 13, is available for the Fairphone 4 as of December 2022.[11] /e/ supports Fairphone 4.
The Fairphone 4 received mostly positive reviews praising its guarantee of software support until 2025 and up to 5 years of warranty and improvements over its predecessor. However, the lack of a headphone jack was criticized, along with the occasional sluggish performance and the quality of the camera and fingerprint sensor.[12][6][13][14]
GrapheneOS criticized Fairphone 4 for being shipped with publicly available private keys for the firmware and stock operating system, causing security features such as verified boot and hardware keystore to break, and for not providing firmware updates on time.[15]
Fairphone stopped producing and selling the Fairphone 4 in December 2024, but indicated the publication of software update will continue after this date, and the production and sale of spare part will continue until at least 2028.[5]
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