Karbonn K309 Boombastic
The Karbonn K309 Boombastic is a balanced everyday device, suited to light-to-moderate use (2012).
2012 · Lower-mid-rangeⓘ Grades compare this device against others in its own market segment (Mid-range), not against every device on the site.
⚡ Quick Specs
Size113 x 49 x 15.2 mm (4.45 x 1.93 x 0.60 in)
⚖️ Compare With
✓︎ Pros
✓Lightweight at 85g — easy to carry
⊗ Cons
✗Smaller 1,500 mAh battery — may need midday charging
✗No headphone jack — requires wireless or USB-C audio
⚠️ Not ideal for
Heavy usage days
💻 Display
Panel
TFT, 65K colors
Standard LCD display
🔋 Battery
Capacity
1,500 mAh
May need midday charging with heavy use
Type
Li-Ion 1500 mAh, removable
📱 Design & Build
Weight
85g
Very light — comfortable for long use
Dimensions
113 x 49 x 15.2 mm (4.45 x 1.93 x 0.60 in)
📶 Network
2G Bands
GSM 900 / 1800 - SIM 1 & SIM 2
❓ Frequently Asked Questions
No, the Karbonn K309 Boombastic does not support 5G — it supports GSM.
No, the Karbonn K309 Boombastic does not have NFC.
Yes, the Karbonn K309 Boombastic supports microSDHC expandable storage.
Yes, the Karbonn K309 Boombastic supports dual SIM (Dual SIM (Mini-SIM)).
No, the Karbonn K309 Boombastic does not have a 3.5mm headphone jack.
Speaker setup: Yes.
The Karbonn K309 Boombastic uses microUSB.
The Karbonn K309 Boombastic supports No.
The Karbonn K309 Boombastic has 2.0.