Published on September 7th, 2016 | by Abdullah Sulehri


[Review] Jazz Xplore JS 1

Jazz announced the launch of two affordable Smartphones from Jazz Xplore series named JS1 and JS 1 on 15 July 2016. Three Smartphone models initially launched were JS 300, JS 500 & 700, these 3 were launched in December 2015. JS1 and JS 1 can be considered revamped versions of JS 500 and JS 300.

Following Items were found inside the box.

  • Jazz Xplore JS 1
  • Micro USB cable
  • Charger Plug
  • Ear-phones
  • Booklets
  • Warranty card
  • 1400 mAh battery

Jazz also offers following benefits bundled with JS 1

  • 300 MBs 3G internet
  • PKR 300/- free balance and
  • Unlimited Facebook & WhatsApp for 3 months.

It is not at all essential to use only Jazz SIM in this phone, SIMs from all service providers work perfectly without any restrictions but you won’t get benefit of Jazz special offer if you use another service provider’s SIM. For details view terms and conditions at bottom of this post.


Build and Design 

Jazz Xplore JS 1 has a solid plastic body and a 4 inch IPS display 480 x 800 pixels (~240 PPI pixel density). Its body is small and easily fits in a palm. Its corners are smoothly curved and its build quality seems to be good. Its design is almost same as JS 7 except the camera part. Its body is smooth and not prone to finger prints. 2MP back camera is placed at upper middle part of its back with a LED flash just below it and mobile speaker near the lower right corner.



Jazz X logo is placed beneath its camera and Q mobile logo at its bottom in off-white colour. A 0.3 MP/VGA front camera is at upper left corner on its face and ear piece in the middle of top bezel. Lower bezel consists of 3 touch sensitive navigation buttons.JS 1 has been manufactured by Q Mobile for Jazz, it seems to be an updated version of JS 100 which was manufactured by Haier. Its 3.5 mm jack and standard micro USB port v2.0 are placed at its top. Power button and volume rocker are placed at right side. It’s a dedicated dual SIM smartphone and supports MicroSD card. Removable 1400mAh Li-ion battery can also found under its plastic back cover. JS 1 is available in three different colours.



Jazz Xplore JS 1 features a Quad core 1.0 GHz processor, MTK6580M chipset and 512 MB RAM. It has 8 GB internal memory which is extendable to 32 GB using a MicroSD card. It works smoothly and it is unfair to expect much from such a low range android Smartphone. It is an appropriate choice for users moving from a feature phone to Smartphone. It is equipped with 3G internet which means fast browsing will be not an issue at all. It is equipped with 3 sensors Accelerometer sensor, Proximity sensor, Light Sensor.

We have performed various synthetic benchmarks to ascertain JS 1‘s performance compared to other devices. Most of the benchmarks used in this review are not much appropriate for lower range Smartphones like JS 1, as they have bench mark data of mid-range and higher range phone which is not much comparable.



Vellamo is a benchmarking tool that includes three primary Chapters. The Browser Chapter evaluates mobile web browser performance, the Multicore Chapter measures the synergy of multiple CPU cores, and the Metal Chapter measures the single core CPU subsystem performance of mobile processors.

Chrome browser 834

Metal 549

Multi core 812

Screenshot_2016-09-07-16-45-34 Screenshot_2016-09-07-16-45-04 Screenshot_2016-09-07-16-44-14

GeekBench 3

Single core score 293

Multi core score 886

Screenshot_2016-09-06-13-19-14 Screenshot_2016-09-06-13-19-48 Screenshot_2016-09-06-13-19-32

AnTuTu Benchmark

Score 18657


GeekBench 3 and AnTuTu are benchmarks which put to the test the hardware combo inside the Smartphone. GeekBench 3 is more CPU-intensive, whereas AnTuTu is a compound benchmark. Performance shown by these two benchmarks is satisfactory.

Single-core performance is the most important performance metric for Smartphones. Every application will benefit from improved single-core performance while only specialized applications will benefit from improved multi-core performance.


User Interface

It has a simplistic user interface; it uses Android 5.1 which runs smoothly. Five shortcuts appear when unlocking the lock screen i.e. Call, Yandex search, Shortcut to Messaging and camera. Its default screen wallpaper is Jazz X, which can be changes by long pressing home screen or by touching menu button and selecting wallpapers on bottom left. Shortcuts to app drawer widgets and settings also appears by single touch on menu button, screen can be repositioned but somehow cannot be added or deleted here. Notification centre can be accessed by pulling down status bar, it shows notifications from all apps and any downloads in progress. By pilling down notification you can access to shortcuts. Which can help you to manage your basic mobile settings easily.

Contacts app is separate from call history, it gives you option of selective the SIM you want to use to make a call when both SIMs are entered in this dual SIM phone. Call quality is good and there are no signal problems during calls or otherwise. Messaging app is also simplistic, contact pictures also appear with every contact. Keyboard is comfortable for messaging, keys are appropriately large for typing once you get used to them. There is an option to assign a different background to every chat in its default messaging app. A message appears for confirmation whenever you send a message to any service number to avoid any accidental message which can incur service charges.



JS 1 has a 2 MP primary camera and 0.3 MP/VGA front camera. Its primary camera produces acceptable results especially in day light, it also has a single LED flash light for capturing pictures in low light. Picture quality is good considering a 2 MP camera. Here you can view unedited pictures from its rear camera.


You can’t expect a perfect selfie from a 0.3 MP camera. I tried my best to get decent selfie, here is a sample.


It also has face detection, smile shot and self-timer functions. You can use colour effects, adjust white balance and adjust exposure in the camera settings but none of them is suggested to use considering the mega pixels of camera.



Jazz Xplore JS 1 has a 1400 mAh battery which can be considered a big battery for this Smartphone. Battery is one of the most important features in Smart phones especially in Pakistan where our phones need to survive in load shedding. This battery can last for 2 to 2.5 days easily with constant messaging, few calls and few hours of browsing. It takes almost 1.5 hours to fully charge its battery.

Following are main differences between JS 1 and its predecessor JS 100

Features JS 1 JS 500
Price  PKR 5,499/-  PKR 5,150/-
OS Lollipop 5.1 Kit Kat 4.4
Colours Available in 3 colours Available in one colour
Processor Quad Core Dual core
Battery 1400mAh 1300mAh
Memory 8GB 4GB
Free balance 300 800
Free internet 300MB 2GB
Free Social media usage 3 months unlimited
Screen 4 inches 3.5 inches



  • 4” display
  • 1400 mAh battery
  • Jazz offer



  • Dull design
  • Low resolution cameras



Jazz Xplore JS 1 is a low-cost entry-level Smartphone with basic features, it is a good option for Mobilink users, who want to switch from feature phone to smartphone with a budget constraint.


Photography by: Ahmed Sheikh


Processor and Chipset 1.0 GHz Quad Core MTK6580M Processor
OS Lollipop 5.1
Camera Rear 2MP with Flash / Front 3 MP
Internal Memory 8 GB
Battery 1400 mAh
SIM Dual Slot
PPI 240
Screen 4 inch
External memory Supported
Sensors GPS/ A-GPS, Gravity
Colors Navy, Black, Silver

Terms and Conditions

Customer has to insert SIM card in SIM-1 Slot and dial USSD *825# to activate bundle offer (USSD string is also mentioned on handset box)

The free bundle will be available to customers in maximum 3 working days

The free bundle offer is valid for both Prepaid & Post-paid customers

Free balance (FAT) will be posted in 3 monthly instalments of Rs 100. One instalment is valid for one month only

Free MBs will be posted in 3 monthly instalments of 100 MBs. One instalment is valid for one month only

Facebook and WhatsApp would be available for 3months from date of free bundle activation

Customers can dial *117*86*2# to check status of the free bundle (prepaid customers only)

This handset offer is valid till stock ends.


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About the Author

is a Chartered Certified Accountant by profession, loves gadgets, technology, sleeping, movies, food, and poetry. He is a tech-blogger and can be reached at abdullah (at) sulehri (dot) com

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