Last Updated: August 5, 2019 (Refresh Now)
Karbonn A40 Indian Black 8GB
Last Updated: August 5, 2019 (Refresh Now)
4.9
SCORE
/10
Total Reviews
327
Old Reviews
1
Unverified
49
Spam Test
PASS
2 MP
PRIMARY CAMERA
0.3 MP
SECONDARY CAMERA
4 meters
SIZE
1.3 GHz
PROCESSOR CLOCK
Review Analysis - 277 recent, verified reviews
Detailed Mode
Battery Life
42backup, life, poor, mobile, hrs
+14%
-86%
" ... Worse battery ever. ... "
" ... Battery capacity is too bad.money is waste ... "
" ... Mobile battery not stand by, discharged suddenly, ... "
" ... Battery power not with standard even at idle stage for a day ... "
" ... Battery life is very poor plz take return otherwise I will quit Amazon ... "
" ... Battery life is very bad but it performs well ... "
" ... Very much low battery ... "
" ... the phone battery dies in less than an hour of full charge within the first week of buying . ... "
Price
41value for money, range, worth, money, mobile
+80%
-20%
" ... Very good performance for the price. ... "
" ... It is great for it's entry level price - suitable for someone who handles it carefully. ... "
" ... Good mobile for a very reasonable rate. ... "
" ... Really awesome product under this range. ... "
" ... Very good for the price. ... "
" ... This mobile is best for such a price. ... In total, this mobile is value for money. ... Go for it if you have a budget ranging between 2-3k. ... "
" ... God phone in this price ... "
" ... Best quality forLow price . ... "
Device Compatibility
19mobile, buy, bad, jio, gets
+47%
-53%
" ... Not safisted with phone. ... "
" ... Very bad Sallar And karbonn mobile . ... "
" ... I don't like this mobile. ... "
" ... Very bad Phone . ... "
" ... Mobile doesn't recognize single . ... "
" ... I bought this phone to instal a Jio connection as it has 4 G. However Reliance guys have declined saying it is not compatible for their connection. ... "
" ... Very bad phone . ... "
" ... very bad phone cant buy this phone ... "
SIM
12slot, working, 1, slot not working, mobile
+17%
-83%
" ... I really regret buying this product, sim slots are not working . ... "
" ... How you will solve : Karbonn a40 mobile sim 1 slot not working. ... "
" ... Sim 1 cal not able to cal. ... Sim 2 no net coverage. ... "
" ... Waiting for the company to replace it.4 g sim also didn't work ... "
" ... One has to be careful while inserting SIM as there is no stopping mechanism. ... SIM goes completely into the mobile if care is not taken. ... This also makes matching of phone contacts with sim contacts difficult. ... "
" ... One sim slot not working ... "
" ... -One sim slot not working ... "
Product Reliability
11properly, days, last, good, months
+18%
-82%
" ... I ordered last week but now speaker is not working properly all time. ... "
" ... Not working.what to do? ... "
" ... After only few days, its software is not working properly. ... "
" ... it’s not working good.last 15 days I’m using this ... "
" ... Operating system crashes continuously one month after purchase. ... "
" ... not working properly and very slow ... "
" ... Ring tone not working. ... "
" ... I want exchange this mobile because this is not working properly ... "
Returns
11want, product, returned, replace, phone
+9%
-91%
" ... Very bad phone never turned on , i will return item ... "
" ... I want to return it. ... "
" ... Unfortunately no option to return or replace the item. ... "
" ... No policies for return ... "
" ... Unfortunately no option to return or replace the item. ... "
" ... No replacement, no return. ... "
" ... I want to returned or replace the product ... "
" ... I have given it today at the authorised showroom and have been asked to wait for 15 days to know the status from the dealer as it is under warranty ... "
Call quality
6understandable, sound, shows, processed, low
-100%
" ... Voice transmission is too low, have to literally shout in the mouthpiece to make the other side hear my voice. ... "
" ... Voice transmission is too low, have to literally shout in the mouthpiece to make the other side hear my voice. ... "
" ... This inspite of using the phone only for making calls and no usage of any applications on the phone. ... "
" ... nor is the voice audible and nor does WhatsApp work properly .pls don’t buy this handset ... "
" ... voice quality is very bad ... "
" ... It shows the changing is processed but when any incoming call comes it become understandable ... "
Charging
6charging, within, times, problem, day
+17%
-83%
" ... Has to charge the phone frequently. ... "
" ... Mobile charged but drained fully within half an hour ... "
" ... Not charging within 3 months from buying. ... "
" ... The phone is very hot and the charge in a hangs and shouted ... "
" ... It's not good , battery charge drain quickly. ... "
Software Platform
5uninstalled, storage, os, android, accessed
+60%
-40%
" ... Latest android installed, and supports all kinds of 4G sims of all the networks. ... "
" ... It is good one just for only Whatsapp users. ... "
" ... I am finding this phone excellent value for money, and the Nougat OS is great, has most of the smart features as far as I could tell. ... "
Apps
5uninstalled, phone, os, even, apps
+40%
-60%
" ... The phone's is not 4G compatible and doesn't even let us install the manufacturer diagnostics app Blanco even through WiFi. ... "
" ... Secondly, junk notifications keep flooding the phone only in Hindi language and are a big nuisance. ... Thirdly, Amazon app can be uninstalled but FlipKart app cannot be uninstalled. ... "
" ... Don't buy this many apps are not supported and many apps are not responsive + they have not sent update to 7.1 , built quality is very poor , screen is bad , voter card guys take better picture then this total rip off .buy any other phone but not this. ... "
Marketplace
5product, know, dont, delivery, buy
+60%
-40%
" ... Always best on Amazon only . ... "
" ... Delivery from Amazon was excellent as usual. ... "
" ... but amazon was prompt enough to get it replaced :) ... "
Defective Delivery
4item, defective, broken
-100%
" ... Received damaged product , power button is broken broken not working at all . ... "
" ... I got the product with an empty item. ... "
" ... the first item was defective . ... "
" ... Receive defective piece. ... "
Heating
4charge
-100%
" ... Has started heating up and has lot of issues within a year of buying. ... "
" ... The phone is very hot and the charge in a hangs and shouted ... "
" ... Always hang it gets very heat so couldn't operate goodly . ... "
" ... Some times heats also. ... "
Wifi
4network, 4g, even, bad
-100%
" ... The phone's is not 4G compatible and doesn't even let us install the manufacturer diagnostics app Blanco even through WiFi. ... "
" ... Very bad phone not by plz network very bad ... "
" ... Wi fi connectivity has issues. ... "
" ... Sometimes unable to detect 4G Network. ... "
Data reception
4phone, network, mobile, bad, speed
+25%
-75%
" ... Mobile Data is very slow. ... "
" ... Very bad phone not by plz network very bad ... "
" ... Sometimes unable to detect 4G Network. ... "
Sound Quality
3also, phone, mobile, gets
+67%
-33%
" ... Sound quality is also good. ... "
" ... My phone gets silenced automatically and songs also started playing instantly. ... "
Lagging
3working, properly
-100%
" ... not working properly and very slow ... "
" ... hangs up frequently. ... "
" ... Hangs in between and have to restart ... "
Display Clarity
3value for money, display
+33%
-67%
" ... Product is not at all good as the screen is fluctuating. ... "
ISP
3jio, phone, connection
+67%
-33%
" ... The best mobile ... "
" ... then this is the mobile. ... "
Camera
3camera, good, screen
+33%
-67%
" ... Camera quality is vey poor ... "
" ... 4.Camera quality is not good ... "
Network
3phone, bad, 4g
-100%
" ... Doesn't has affective antenna to catch the network ... "
" ... Very bad phone not by plz network very bad ... "
" ... Sometimes unable to detect 4G Network. ... "
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Specifications
Body
Size: 4 meters
Battery
Battery Capacity: 1400 mAh
Memory
Memory: 1024 GB
Camera
Primary Camera: 2 MP
Secondary Camera: 0.3 MP
Calling
Dual Sim: Yes
Performance
Processor Clock: 1.3 GHz
Processor Type: Quad Core
2 MP
PRIMARY CAMERA
0.3 MP
SECONDARY CAMERA
4 meters
SIZE
1.3 GHz
PROCESSOR CLOCK