Fairphone 4 - 6. Component Diagnosis Information

6. Component and diagnosis information
For any question on this chapter please contact
product.management@fairphone.com.
Fairphone 4 contains the following key components with the following key data
points:
Component
Part details
Vendor
Key specs
Battery
Model:
F4AC1
Kayo
Capacity : 3905 mAh
Nominal Voltage: 3.85 V
Cut off Voltage: 3.0 V
Charging Voltage: 4.4 V
Dimensions: 91.3 x 46.8 x 6.5 mm
Internal Impedance < 120 mΩ
Standard discharge: Continuous 0.2C to 3.0V
Operational Charging Temperature Range: 0-60℃
Operational Discharge Temperature Range: -20℃ - 60℃
Recommend full charge & discharge cycle once every 3-6
months.
Chipset
SM7225
Qualcomm
64 bit application processor
Dual DSP
Always on sub system & processor
Supports: GNSS, WLAN/BT, LTE, TD-SCDMA, WCDMA, GSM
and 5G NR.
Support camera interfaces: 3 x ISP, 1 x ISP-lite, 16+16+16MP
ZSL, MCTF.
Adreno 619 GPU
14 QUP (Qualcomm Universal Ports): multiplexed serial
interface functions (eights ports on GPIO and six ports
on LPI GPIO)
Display
Model:
9A-3R063-11
02B
LTPS & incell
DJN
6.3”
Outline: 71.00(W)*157.4(H)*2.09(T)
Viewing area: 67.47(W)*145.71(H)
Active Area: 67.068(W)* 145.314(H)
Viewing Direction: all directions
MIPI Interface
LCM Input voltage:
IOVCC=+1.8V(+1.95V Max)
AVDD=+5.5V(6VMax)
AVEE=-5.5V(-6V Max)
Storage Temp: -40 to 80℃
Board to
Board
Camera
Connector
Model:
BM24-30DP
/2-0.35V(51)
Tohoku
Hirose
Electric Co.
Voltage 30V A/DC
Signal contact 0.25 A
Power Contact 5.0 A
Op Temperature: -40℃ to 85℃
Storage Temperature -10℃ to 60℃
Electrical Contact Resistance: 20 mV AC or less 1kHz, 1mA
Electrical Insulation Resistance 100 V DC
Electrical Voltage Proof 150V AC for max 1 minute
Speaker
Dynamic
AAC
Dimensions: 11 x 15 x 2.5 mm
8 Ω @ 2 kHz, 1 Vrms input