LABOR DAY 4 DAY SALE

End-of-summer savings on tablets, cell phones, laptops, HDTVs and much more.

Shop now ›

Ends Monday.

261  items found for "

Boosting Cell Phone Signal Strength

" in  All Categories

Shop Category

 

Narrow Your Results

Cell Phone Resources


Cell Phone Questions

Ask fellow shoppers and Best Buy staff. Share your answers.

1 - 15 of 261
View:
Sort by:
Compare
Compare

Click for Price

Add To Package

New! Samsung - Galaxy S 5 Cell Phone - Electric Blue (Sprint)

Model: SPH-G900BLS
SKU: 4810001
Only at Best Buy
  • Qualcomm Snapdragon 801 MSM 8974AC 2.5GHz quad-core processor
  • Android 4.4.2 KitKat operating system
  • 4G LTE speed
  • Wi-Fi
  • 5.1" Super AMOLED touch screen
Customer Reviews: 4.8 of 5 4.8 of 5 (35 reviews)
Check Shipping & Availability ›
Shipping and Availability

Shipping: Usually ships in 3-5 business days

A signature is required for delivery of this item.

Estimate Arrival Time

Store Pickup:  Check Stores


Compare

Click for Price

Add To Package

Samsung - Galaxy S 5 Cell Phone - Copper Gold (Sprint)

Model: MOBILE PHONE
SKU: 5134021
  • Qualcomm Snapdragon 801 MSM 8974AC 2.5GHz quad-core processor
  • Android 4.4.2 KitKat operating system
  • 4G LTE speed
  • Wi-Fi
  • 5.1" Super AMOLED touch screen
Customer Reviews: 4.7 of 5 4.7 of 5 (75 reviews)
Check Shipping & Availability ›
Shipping and Availability

Shipping: Usually ships in 3-5 business days

A signature is required for delivery of this item.

Estimate Arrival Time

Store Pickup:  Check Stores


Compare

Sale: $149.99

With 2-year contract
Reg. Activated Price: 
$199.99

You Save: 
$50.00
See all price options ›

Sale: $149.99

With 2-year contract

$32.50/month

For 20 months with AT&T Next*

*AT&T Next offer for well-qualified buyers. Select contract after adding device to package.

Add To Package

New! Samsung - Galaxy S 5 4G Cell Phone - Electric Blue (AT&T)

Model: SM-G900A
SKU: 4807008
Only at Best Buy
  • Qualcomm Snapdragon 801 MSM 8974AC 2.5GHz quad-core processor
  • Android 4.4 KitKat operating system
  • 4G LTE speed
  • Wi-Fi
  • 5.1" touch screen
Customer Reviews: 4.8 of 5 4.8 of 5 (22 reviews)
Check Shipping & Availability ›
Shipping and Availability

Shipping: Usually ships in 3-5 business days

A signature is required for delivery of this item.

Estimate Arrival Time

Store Pickup:  Check Stores


Compare

Sale: $149.99

With 2-year contract
Reg. Activated Price: 
$199.99

You Save: 
$50.00
See all price options ›

Sale: $149.99

With 2-year contract

$32.50/month

For 20 months with AT&T Next*

*AT&T Next offer for well-qualified buyers. Select contract after adding device to package.

Add To Package

Samsung - Galaxy S 5 Active 4G Cell Phone - Titanium Gray (AT&T)

Model: SM-G870A
SKU: 6752003
  • Qualcomm MSM8974AC Snapdragon 801 2.5GHz quad-core processor
  • Android 4.4.2 KitKat operating system
  • 4G LTE speed
  • Wi-Fi
  • 5.1" touch screen
Customer Reviews: 3.0 of 5 3.0 of 5 (2 reviews)
Check Shipping & Availability ›
Shipping and Availability

Shipping: Usually ships in 3-5 business days

A signature is required for delivery of this item.

Estimate Arrival Time

Store Pickup:  Check Stores


Compare

Sale: $149.99

With 2-year contract
Reg. Activated Price: 
$199.99

You Save: 
$50.00
See all price options ›

Sale: $149.99

With 2-year contract

$32.50/month

For 20 months with AT&T Next*

*AT&T Next offer for well-qualified buyers. Select contract after adding device to package.

Add To Package

Samsung - Galaxy S 5 4G Cell Phone - Charcoal Black (AT&T)

Model: SM-G900A
SKU: 4805019
  • Qualcomm Snapdragon 801 MSM 8974AC 2.5GHz quad-core processor
  • Android 4.4 KitKat operating system
  • 4G LTE speed
  • Wi-Fi
  • 5.1" touch screen
Customer Reviews: 4.6 of 5 4.6 of 5 (384 reviews)
Check Shipping & Availability ›
Shipping and Availability

Shipping: Usually ships in 3-5 business days

A signature is required for delivery of this item.

Estimate Arrival Time

Store Pickup:  Check Stores


Compare

Sale: $149.99

With 2-year contract
Reg. Activated Price: 
$199.99

You Save: 
$50.00
See all price options ›

Sale: $149.99

With 2-year contract

$32.50/month

For 20 months with AT&T Next*

*AT&T Next offer for well-qualified buyers. Select contract after adding device to package.

Add To Package

Samsung - Galaxy S 5 4G Cell Phone - Shimmery White (AT&T)

Model: SM-G900A
SKU: 4806009
  • Qualcomm Snapdragon 801 MSM 8974AC 2.5GHz quad-core processor
  • Android 4.4 KitKat operating system
  • 4G LTE speed
  • Wi-Fi
  • 5.1" touch screen
Customer Reviews: 4.6 of 5 4.6 of 5 (384 reviews)
Check Shipping & Availability ›
Shipping and Availability

Shipping: Usually ships in 3-5 business days

A signature is required for delivery of this item.

Estimate Arrival Time

Store Pickup:  Check Stores


Compare

Sale: $149.99

With 2-year contract
Reg. Activated Price: 
$199.99

You Save: 
$50.00
See all price options ›

Sale: $149.99

With 2-year contract

$32.50/month

For 20 months with AT&T Next*

*AT&T Next offer for well-qualified buyers. Select contract after adding device to package.

Add To Package

Samsung - Galaxy S 5 4G Cell Phone - Copper Gold (AT&T)

Model: MOBILE PHONE
SKU: 5134012
  • Qualcomm Snapdragon 801 MSM 8974AC 2.5GHz quad-core processor
  • Android 4.4 KitKat operating system
  • 4G LTE speed
  • Wi-Fi
  • 5.1" touch screen
Customer Reviews: 4.5 of 5 4.5 of 5 (6 reviews)
Check Shipping & Availability ›
Shipping and Availability

Shipping: Usually ships in 3-5 business days

A signature is required for delivery of this item.

Estimate Arrival Time

Store Pickup:  Check Stores


Compare

Sale: $99.99

With 2-year contract
Reg. Activated Price: 
$199.99

You Save: 
$100.00
See all price options ›

Sale: $99.99

With 2-year contract

$30.00/month

For 20 months with Verizon Edge*

*Verizon Edge offer for well-qualified buyers. Available only in store.

Add To Package

New! Samsung - Galaxy S 5 4G LTE Cell Phone - Electric Blue (Verizon Wireless)

Model: SM-G900VZBV
SKU: 4812027
Only at Best Buy
  • Qualcomm Snapdragon 801 MSM 8974AC 2.5GHz quad-core processor
  • Android 4.4.2 KitKat operating system
  • 4G LTE speed
  • Wi-Fi
  • 5.1" Super AMOLED touch screen
Customer Reviews: 4.7 of 5 4.7 of 5 (47 reviews)
Not Available for Shipping
Check Shipping & Availability ›
Shipping and Availability

Not Available for Shipping

Store Pickup:  Check Stores


Compare

Sale: $149.99

With 2-year contract
Reg. Activated Price: 
$199.99

You Save: 
$50.00
See all price options ›

Sale: $149.99

With 2-year contract

Add To Package

Samsung - Galaxy S 5 Active 4G Cell Phone - Ruby Red (AT&T)

Model: SM-G870A
SKU: 6750462
  • Qualcomm MSM8974AC Snapdragon 801 2.5GHz quad-core processor
  • Android 4.4.2 KitKat operating system
  • 4G LTE speed
  • Wi-Fi
  • 5.1" touch screen
Customer Reviews: 4.0 of 5 4.0 of 5 (1 reviews)
Check Shipping & Availability ›
Shipping and Availability

Shipping: Usually ships in 3-5 business days

A signature is required for delivery of this item.

Estimate Arrival Time


Compare

Sale: $149.99

With 2-year contract
Reg. Activated Price: 
$199.99

You Save: 
$50.00
See all price options ›

Sale: $149.99

With 2-year contract

Add To Package

Samsung - Galaxy S 5 Active 4G Cell Phone - Camo Green (AT&T)

Model: SM-G870A
SKU: 6750742
  • Qualcomm MSM8974AC Snapdragon 801 2.5GHz quad-core processor
  • Android 4.4.2 KitKat operating system
  • 4G LTE speed
  • Wi-Fi
  • 5.1" touch screen
Customer Reviews: 5.0 of 5 5.0 of 5 (1 reviews)
Check Shipping & Availability ›
Shipping and Availability

Shipping: Usually ships in 3-5 business days

A signature is required for delivery of this item.

Estimate Arrival Time


Compare

Sale: $99.99

With 2-year contract
Reg. Activated Price: 
$199.99

You Save: 
$100.00
See all price options ›

Sale: $99.99

With 2-year contract

$30.00/month

For 20 months with Verizon Edge*

*Verizon Edge offer for well-qualified buyers. Available only in store.

Add To Package

Samsung - Galaxy S 5 4G LTE Cell Phone - Copper Gold (Verizon Wireless)

Model: MOBILE PHONE
SKU: 5134049
  • Qualcomm Snapdragon 801 MSM 8974AC 2.5GHz quad-core processor
  • Android 4.4.2 KitKat operating system
  • 4G LTE speed
  • Wi-Fi
  • 5.1" Super AMOLED touch screen
Customer Reviews: 4.6 of 5 4.6 of 5 (96 reviews)
Check Shipping & Availability ›
Shipping and Availability

Shipping: Usually ships in 3-5 business days

A signature is required for delivery of this item.

Estimate Arrival Time

Store Pickup:  Check Stores


Compare

Samsung - Focus S Cell Phone (Unlocked) - Black

Model: I937 16GB BLK
SKU: 7530513
  • Windows Phone 7.5 Mango operating system
  • 3G speed
  • Wi-Fi
  • Super AMOLED Plus capacitive touch screen
  • Bluetooth
  • Only compatible with GSM carriers, including AT&T and T-Mobile
Customer Reviews:   Be the first to write a review.
Check Shipping & Availability ›
Shipping and Availability

Shipping: Usually ships in 1-2 business days

Estimate Arrival Time

Store Pickup:  Check Stores


Compare

Samsung - Galaxy Young Cell Phone (Unlocked) - White

Model: S6310
SKU: 1653849
  • Android 4.1.2 Jelly Bean operating system
  • 3G speed
  • Wi-Fi with hotspot capability
  • Capacitive touch screen
  • Only compatible with GSM carriers, including AT&T and T-Mobile
Customer Reviews: 1.0 of 5 1.0 of 5 (1 reviews)
Check Shipping & Availability ›
Shipping and Availability

Shipping: Usually leaves our warehouse in 1 business day.

Estimate Arrival Time

Store Pickup:  Check Stores


Compare

Samsung - Galaxy S 4 Cell Phone (Unlocked) - Purple

Model: I9500 PURPLE
SKU: 2927044
  • Android 4.2.2 Jelly Bean operating system
  • 3G speed
  • Wi-Fi
  • Capacitive touch screen
  • Only compatible with GSM carriers, including AT&T and T-Mobile
Customer Reviews: 2.5 of 5 2.5 of 5 (2 reviews)
Check Shipping & Availability ›
Shipping and Availability

Shipping: Usually ships in 1-2 business days

Estimate Arrival Time


Compare

New! Samsung - Galaxy S II Cell Phone (Unlocked) - Black

Model: I777 BLK
SKU: 8298057
  • Android 2.3.4 Gingerbread operating system
  • 3G speed
  • Wi-Fi
  • Super AMOLED Plus capacitive touch screen
  • Bluetooth 3.0
  • Only compatible with GSM carriers, including AT&T and T-Mobile
Customer Reviews:   Be the first to write a review.
Check Shipping & Availability ›
Shipping and Availability

Shipping: Usually ships in 1-2 business days

Estimate Arrival Time

1 - 15 of 261
View:
Sort by:
Compare