Searching…

No results — try another term.

Menu

Samsung Galaxy S II I777 phone review — specs and Genze score

Samsung Galaxy S II I777 Specifications

For AT&T Also known as Samsung SGH-I777, Samsung Attain

Samsung

Released 2011, Aug 15

1 GB RAM · Exynos 4210 Dual

  • 121.9g, 8.9mm thickness
  • Android 2.3.4
  • 16GB/32GB storage, microSDHC

Views

Genze vs community

Genze and community ratings are both shown on a /10 scale. Genze is derived from internal model scores and price rules; community averages come from approved reviews (1–10 per category).

Category Genze /10 Users /10
Battery 2.9
Display 6.1
Performance 3.7
Camera 4.8
Body 5.2
Gaming 4.8
Software 4.4
Connectivity 5.8
Sensors 7.2
Software updates
Clean software
Heating
Media
Genze total: 4.6/10

Community columns fill in when reviews are approved.

Quick specifications

4.3"

480x800 pixels

8MP

1080p

1GB RAM

Exynos 4210 Dual

1650mAh

Score breakdown

From specs, price tier & release year

4.6 /10
Performance 3.7/10
Battery 2.9/10
Display 6.1/10
Camera 4.8/10
Body 5.2/10
Gaming 4.8/10
Software 4.4/10
Connectivity 5.8/10
Sensors 7.2/10
1.20 GHz BT 3.0 2011

Community ratings

Real-world feedback from people who use this device

No approved reviews yet

Be the first to share how it feels in daily use — battery, gaming, heat, updates & value.

Use “Rate this phone” in the hero or here to submit yours.

Full specifications

Technology GSM / HSPA
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 1900 / 2100
Speed HSPA 21.1/5.76 Mbps
Announced 2011, August. Released 2011, October
Status Discontinued
Dimensions 126 x 66 x 8.9 mm (4.96 x 2.60 x 0.35 in)
Weight 121.9 g (4.27 oz)
SIM Mini-SIM
Type Super AMOLED Plus
Size 4.3 inches, 52.6 cm2 (~63.3% screen-to-body ratio)
Resolution 480 x 800 pixels, 5:3 ratio (~217 ppi density)
Protection Corning Gorilla Glass
??? TouchWiz UI v4.0
OS Android 2.3.4 (Gingerbread)
Chipset Exynos 4210 Dual
CPU Dual-core 1.2 GHz Cortex-A9
GPU Mali-400MP4
Card slot microSDHC (dedicated slot), 8 GB included
Internal 16GB 1GB RAM, 32GB 1GB RAM
Single 8 MP, AF
Features LED flash
Video 1080p@30fps
Single 2 MP
Video
Loudspeaker Yes
3.5mm jack Yes
WLAN Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth 3.0, A2DP, aptX
Positioning GPS, A-GPS
NFC Optional
Radio No
USB microUSB 2.0 (MHL TV-out), OTG
Sensors Accelerometer, gyro, proximity, compass
??? MP4/DivX/XviD/WMV/H.264 player

MP3/WAV/eAAC+/AC3/FLAC player

Photo/video editor

Document editor
Type Removable Li-Ion 1650 mAh battery
Stand-by Up to 400 h
Talk time Up to 8 h
Colors Black
SAR 0.36 W/kg (head) 0.90 W/kg (body)
SAR EU 0.25 W/kg (head)
Price About 170 EUR

Samsung Galaxy S II I777 official images

Frequently asked questions

Is Samsung Galaxy S II I777 worth buying in 2026?

Samsung Galaxy S II I777 is worth considering if its strengths match your priorities. Genze scores it 4.6/10 for its class. Read owner reviews and compare alternatives before you buy.

What is the battery capacity of Samsung Galaxy S II I777?

Samsung Galaxy S II I777 has a 1,650 mAh battery. Real-world endurance depends on chipset efficiency, display, and usage.

What display size does Samsung Galaxy S II I777 have?

Samsung Galaxy S II I777 features a 4.30-inch display. See the Display section for resolution, refresh rate, and panel details.

How much RAM does Samsung Galaxy S II I777 have?

Samsung Galaxy S II I777 is available with 1 GB RAM variants. Storage options are listed in the Memory section.

What is the Genze score for Samsung Galaxy S II I777?

Genze rates Samsung Galaxy S II I777 4.6/10 based on performance, display, camera, battery, body build, and value versus phones in the same price tier.

Where do these specifications come from?

Specifications are compiled from official manufacturer and carrier sources, reviewed by our editors where possible, and enriched with Genze scores and community feedback. GenZe Rank is not responsible for errors or omissions. Regional variants, firmware updates, and retailer listings may differ from what is shown here—always confirm critical details on the official product page before you buy.

Owner reviews

Owner reviews

Sorted by newest. Helpful votes from signed-in readers.

Write a review (1–10 per category)

Tap stars for each category (1–10). One rating per email for this phone.

Battery

Gaming

Camera

Display

Performance

Heating

Media

Software updates

Clean software (no ads)

Value

Log in to mark reviews helpful or delete your review.

No approved reviews yet. Be the first to rate this device.