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samsung galaxy folder2
samsung galaxy j7 pro
nokia 3.1 a
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Brand
 samsung samsung nokia
Model
 samsung galaxy folder2 samsung galaxy j7 pro nokia 3.1 a
Announced
 2017 July 2017 June 2019 June
Status
 Available. Released 2017 July Available. Released 2017 July Available. Released 2019 June
Device Body
Dimensions
 122 x 60.2 x 16.1 mm ( 4.80 x 2.37 x 0.63 in ) 152.5 x 74.8 x 8 mm ( 6.00 x 2.94 x 0.31 in ) 152.7 x 71.9 x 9.4 mm ( 6.01 x 2.83 x 0.37 in )
Weight in gram
 165 181 156
SIM card
 dual SIM ( Nano-SIM | dual stand-by ) single SIM ( Nano-SIM ) or dual SIM ( Nano-SIM | dual stand-by ) Nano-SIM
Water Resistance
 No
Display type
 tft Super AMOLED IPS LCD
Display resolution
 480 x 800 pixels | 5 : 3 ratio ( ~246 pixel per inch density ) 1080 x 1920 pixels | 16 : 9 ratio ( ~401 pixel per inch density ) 720 x 1440 pixels | 18 : 9 ratio ( ~295 pixel per inch density )
Display size
 3.8 inches | 41.1 cm2 ( ~56.0% screen to body ratio ) 5.5 inches | 83.4 cm2 ( ~73.1% screen to body ratio ) 5.45 inches | 76.7 cm2 ( ~69.8% screen to body ratio )
Display Protection
Operating System
 android 6.0 ( marshmallow ) android 7.0 ( nougat ) | upgradable to android 9.0 ( pie ) | one ui android 9.0 ( pie )
CPU
 Quad-core 1.4 GHz cortex-a53 Octa-core 1.6 GHz cortex-a53 Quad-core 1.8 GHz cortex-a53
Chipset
 Qualcomm msm8917 snapdragon 425 ( 28 nm ) exynos 7870 Octa ( 14 nm ) Qualcomm sdm429 snapdragon 429 ( 12 nm )
GPU
 adreno 308 mali-t830 mp1 adreno 504
Memory card
 microsdxc ( dedicated slot ) microsdxc ( dedicated slot ) microsdxc ( dedicated slot )
Memory v1
 16gb 2gb RAM 32gb 3gb RAM 32gb 2gb RAM
Memory v2
 64gb 3gb RAM
Primary camera
8 megapixel| lens aperture1.9 | Auto focus
13 megapixel| lens aperture1.7 | 27mm ( wide ) | Auto focus
8 megapixel| lens aperture2.0 | Auto focus
Secondary camera
5 megapixel| lens aperture1.9
13 megapixel| lens aperture1.9 | 28mm ( wide )
5 megapixel| lens aperture2.2
Loud speaker
 Yes Yes Yes
Audio jack
 Yes Yes Yes
WLAN
 Wi-Fi 802.11 b/g/n | Wi-Fi Direct | hotspot Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | hotspot Wi-Fi 802.11 b/g/n
Bluetooth
 4.2 | a2dp | le 4.1.0 | a2dp | le 5.0 | a2dp | le
GPS
 Yes with a-gps glonass bds Yes with a-gps glonass bds
NFC
 No Yes No
Radio
 No FM Radio FM Radio
USB
 microusb 2.0 microusb 2.0 | USB on-the-go USB Type-C 2.0
Sensors
 accelerometer | proximity fingerprint ( front-mounted ) | accelerometer | gyroscope | proximity | compass accelerometer | gyroscope | proximity
Battery
 Li-lon 1950 mAh | removable Li-lon 3600 mAh | Non-removable Li-lon 2990 mAh | Non-removable
Battery Charge
 10w wired
Colors
 red color gradations, black, gold black, blue, gold, gold color gradations black
Network technology
 gsm / hspa / lte gsm / hspa / lte gsm / hspa / lte
5G bands
Network speed
 hspa 42.2/5.76 mbps lte hspa 42.2/5.76 mbps lte-a (2ca) cat6 300/50 mbps hspa 42.2/5.76 mbps lte cat4 150/50 mbps
GPRS
EDGE
Approx price
  • 170 GBP
  • 200 EUR
  • 1980 NOK
  • 2100 SEK
  • 12800 RUB
  • 210 USD
  • 1080 BRL
  • 300 AUD
  • 270000 KRW
  • 28000 JPY
  • 280 SGD
  • 910 MYR
  • 750 AED
  • 3500 ZAR
  • 170 GBP
  • 200 EUR
  • 1980 NOK
  • 2100 SEK
  • 12800 RUB
  • 210 USD
  • 1080 BRL
  • 300 AUD
  • 270000 KRW
  • 28000 JPY
  • 280 SGD
  • 910 MYR
  • 750 AED
  • 3500 ZAR