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Fourth phone model of the company Fairphone From Wikipedia, the free encyclopedia
Fairphone 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 on 25 October 2021.[3]
.png) Fairphone 4 | |
| Brand | Fairphone |
|---|---|
| First released | 25 October 2021 |
| 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 system |
|
| System-on-chip | Qualcomm Snapdragon 750G |
| Memory | 6 or 8 GB |
| Storage | 128 or 256 GB |
| Battery | Li-Ion 3905 mAh, 20 W fast charging |
| Rear camera | 3 modules. 48 MP, f/1.6, (wide), 1/2.0", 0.8μm, PDAF, OIS, 48 MP, f/2.2, (ultrawide), 1/2.0", 0.8μm, PDAF, TOF 3D, (depth) |
| Front camera | 25 MP, f/2.2, (wide), 1/2.78", 0.9μm |
| Display | IPS LCD 6.3" display with 1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density) |
| Connectivity |
|
| Data inputs | Dual band GNSS (GPS/GLONASS/BeiDou/Galileo) |
| References | [1][2] |
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.[1][4]
It comes with Android 11 “Red Velvet Cake” with promised two major Android updates[5] (Android 12 “Snow Cone” and Android 13 “Tiramisu”) and up to 5 years of warranty.[6][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.[6]
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.[7]
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.[8]
CalyxOS 4.2.7, Android 13, is available for the Fairphone 4 as of December 2022.[9] In April 2022, CalyxOS provided "test builds" of Android 12L.[10] /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.[11][4][12][13]
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.[14]
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