Fire Boltt Infinity Review with Pros and Cons: Lots of Issues

Fire Boltt Infinity Featured Image

If I had to describe Fire Boltt Infinity in a single word then it would be “disappointment” but why, that’s what we gonna find out in this Fire Boltt Infinity Review.

Fire Boltt Infinity is priced at Rs 4,999 in India and it’s available in Black, Gold,
Silver, Grey, and Gold Black color options while the watch will be available on Amazon.

Fire Boltt Infinity Review

Fire Boltt Infinity Indian Retail Box

No, the Fire Boltt Infinity is not worth buying because this is Rs 4,999 smartwatch and yet it doesn’t have the built-in GPS, AMOLED display, messed-up app support, doesn’t count calories accurately, and still, Fire Boltt is charging a whooping Rs 4999 for Fire Boltt Infinity which is not justifiable at all.

Guess what, Fire Boltt Infinity has a TFT display. Now to compensate, Fire Boltt has added 4GB internal storage where you can store songs up to 300.

Now, this is not fair trade at all, I would prefer an AMOLED panel any day over internal storage.

Related: 5 Best Smartwatches Under Rs 5000

You can skip the Fire Boltt Infinity and consider either RealMe Watch 3 Pro, Dizo Watch R Talk, Dizo Watch D Talk, or even Amazfit GTS 2 Mini New.

Still, let’s talk a bit about the highlighting features of Fire Boltt Infinity.

Fire Boltt Infinity Pros and Cons

Super Bright 600nits DisplayOverpriced
Solid Build QualityTFT Display
Decent Microphone and Speaker QualityFB Invincible Plus App Needs UI Improvement
The Watch UI feels Cheap
Doesn’t count calories accurately
Ages Old Bluetooth 4.0 for Connectivity
Dual Bluetooth Chi
No Built-in GPS


Fire Boltt Infinity Resting Display

The Fire Boltt Infinity comes with a 1.60-inches rounded TFT display with a resolution of 400×400 pixels and pick a brightness of 600 nits.

The watch does have a bright panel. So whether you want to read text or take calls outdoors, you will able to do it without any kind of problems.

Fire Boltt Infinity Clock Watchface

The watch also has a fast touch response, so everything feels smooth while Fireboltt has kept the bezels on a smaller side which gives that premium feel.

Overall, the display feels more like Rs 2000 smartwatch rather than a Rs 5000. The screen brightness is good but that TFT panel hurts a lot when seeing the Rs 4999m price tag.

Design, Comfort, and Build

Fire Boltt Infinity Side Buttons

Keep in mind that, the Fire Boltt Infinity is a very big smartwatch, so if you don’t have a large wrist then skip this watch otherwise, it will look wired on your wrist.

Fire Boltt Infinity Rear sensor placement

The watch has a plastic back, the frames are made from metal and the watch has 23mm straps. On the back side, it has all the sensors along with a microphone and speaker placed on the top and bottom sides.

Related: 5 Best Smartwatches Under Rs 3000

Fire Boltt Infinity Display Image 01

The biggest letdown is the size of the strap, most budget watches in India have the 22mm strap and Fireboltt is offering the 23mm, so if you don’t like the default strep of Fire Boltt Infinity then it will be hard to find a good strap.

Again, the watch is comfortable to wear but keep in mind that it’s not for everyone as it’s a big smartwatch.

Health and Fitness Tracking

Fire Boltt Infinity Measuring SpO2

First thing first,

The Fire Boltt Infinity provides close to accurate SpO2 and heart rate data. Now let’s talk about other stuff,

The watch doesn’t count the accurate Calories burned, for example, if you’re tying something on the keyboard for 30 minutes then the watch will burn a few extra calories which is very unusual for a smartwatch.

Fire Boltt Infinity Calories burned

So yes, Fire Boltt needs to fix this problem right now otherwise, why one should buy the Fire Boltt Infinity? It’s not like you’re spending 5k to just see the time.

Also, the watch doesn’t have a built-in GPS, not cool at all. So if you love to run outdoors then stay away from this watch.

Sleep tracking is kind of okay, sometimes it adds a few hours into the sleep cycle. Let’s say, you’re watching movies and you don’t move for the next 2 hours then sometimes, the watch will add 30 or 1 hour into the sleep cycle.

Fire Boltt Infinity connecting to the app

Now, this is all a software issue and I’m hoping that Fire Boltt will fix it.

Fireboltt has also added all the necessary features like 120 watch faces, 300 built-in sports Modes, a Female cycle, a Drinking Reminder, an Activity Tracker, Heart Rate Monitor, SpO2, and Stress Monitoring too.

By the way, 10 sport modes are available on the smartwatch itself while the remaining 290 are available in the FB Invincible Plus.

Bluetooth Calling

Fire Boltt Infinity Calling Layout on watch

This is Rs 5000 smartwatch and yet it has a dual Bluetooth chip. This simply means, it will consume more battery because the smartphone will use two Bluetooth connections to connect with Fire Boltt Infinity, one is to connect with the watch and the second is for Bluetooth calling.

Also, the watch has Bluetooth 4.0 version which is too old, so the connectivity is not as good.

Coming to the microphone,

Here, Fire Boltt has used a good quality microphone, so if you’re at home then there won’t be any kind of problem while talking to someone using the Fire Boltt Infinity.

The problem comes when there is too much noise in the background, let’s you’re in a public place where people are talking to each other, car noises, etc then you will have to speak a bit louder, so another person on the call can hear your voice.

Related: 5 Best Bluetooth Calling Smartwatches Under Rs 5000

The speaker quality is again decent, works well at home but it will be hard to hear someone in public places.

Overall, yes Fireboltt could have used Bluetooth 5.3 and even a single chip for better connectivity but they didn’t. Now, the end story is, they will make more profit but the users will suffer.

Other Features

TWS Connectivity

Connectivity TWS to Fire Boltt Infinity

By the way, the watch also supports TWS connectivity which means, you can connect any Bluetooth earphones with Fire Boltt Infinity and it will work fine.

Now, because of Bluetooth 4.0, sometime, TWS does disconnect automatically.

Nonetheless, it’s a good feature to have in smartwatches and I’m hoping that other smartwatch brands will add this feature in upcoming smartwatches.

Internal Storage

Connectivity Fire Boltt Infinity to Windows Laptop

Most of Bluetooth calling smartwatches only allow 10 contact number list in the smartwatch but Fireboltt is allowing a whooping 100 contact number list because of the 4GB internal storage.

Along with that, you can also store up to 300 songs within the smartwatch, so next time, you don’t need to use your smartphone to play music, just connect the TWS earbuds with Fire Boltt Infinity and enjoy the music.


Playing snake game in Fire Boltt Infinity

Yes, actually you can play games on Fire Boltt Infinity. The games are not too heavy, it has games like snake and 2028 which works fine but sometimes, the touch response is not that great.

So yes, take this gaming feature as the just feature, don’t expect a smooth experience.


Fire Boltt Infinity Calculator App

The Fire Boltt Infinity also has a Calculator which works fine, I mean, what else can I say about it?

Battery Life

Fire Boltt Infinity under the water

When I heard that, FireBoltt didn’t disclose the battery size of the Fire Boltt Infinity, I was like, this can’t be true. So dig a bit deeper and turned out that, it’s true, we don’t have battery size numbers.

Now, as per my experience with the smartwatch,

You can expect the battery life to be around 2 to 3 days with heavy usage while if you’re a normal user then expect the battery life to be around 5 to 6 days, normal usage would be no Bluetooth calling and no 24/7 heart rate monitoring.

The watch will take around 2 hours to charge from 0% to 100.


Fire Boltt Infinity

Rahul Makwana

Fire Boltt Infinity Featured Image
Bluetooth Calling
Fitness Tracking
Battery Life


Fire Boltt Infinity could have been the best smartwatch by an Indian brand but now it’s not because of the missing built-in GPS, no single Bluetooth chip, that TFT panel, inaccurate Calories burned, and still, Fireboltt is charging a whopping Rs 4,999 which is not acceptable at all.


Still, if you have any kind of questions then feel free to drop a comment.

Fire Boltt Infinity Full Specification

Display1.60-Inches LCD Display,
600 nits brightness,
400×400 pixels,
BuildPlastic Back
Metal Frame
Metal Ring
Stainless Steel Buckle
Silicone Strap (23mm)
DimensionsWeight: 63 grams
Strap23mm Removable (Silicone)
Bluetooth Version4.0
Microphone & SpeakerMicrophone: Yes
Speaker: Yes
SensorsAxis Accelerometer,
Optical Heart Rate Sensor,
SpO2 (Blood Oxygen Saturation Level),
BatteryBattery size not specified by Fire Boltt
Charging Time: 0% to 100% in 2 hours
2 to 3 days battery life (Full Use)
5 to 6 days battery life (Normal Use)
FeaturesIP67-rated dust and water-resistant,
110+ watch faces,
300+ built-in sports Mode,
4GB Internal Storage,
TWS Connectivity 
Heart rate monitor,
SpO2 monitor,
Stress monitor,
Step tracker,
Calories burned,
Distance traveled,
Activity history,
Sleep monitor,
Sports modes,
ColorsBlack, Gold,
Silver, Grey, and Gold Black.
ApplicationFB Invincible Plus
Warranty12 Months Warranty
7 Days Replacement
In the BoxFire Boltt Infinity
Magnetic Charging Cable
User Manual
PriceRs 4,999

*Images Credit: AB Tech Vlog

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