Slow Charging Repair in Bangalore — Fixed Same Day
Phone taking 4–6 hours to charge fully? Slow charging is caused by a degraded battery, faulty charging port, damaged cable or a software issue. Screen Guru diagnoses the exact cause and fixes it same day. Starting from ₹799.
Why Is Your Phone Charging So Slowly?
Slow charging can come from the battery, the port, the charging IC or even a software bug. Here are the 6 most common causes we diagnose every day.
Degraded Battery Cell
An aged battery with high internal resistance accepts charge current much more slowly than a new cell. The charging IC throttles the current to protect the degraded cell — resulting in 4–6 hour charge times instead of 1–2 hours.
Damaged Charging Port
Lint, dust or bent pins in the charging port create resistance in the connection, reducing the current that reaches the battery. Even a partially blocked port can cut charging speed by 50–70%.
Faulty Charging IC
The charging IC controls how much current flows into the battery. A damaged IC may limit current to a fraction of the rated wattage — causing the phone to charge at 5W even when the charger supports 65W.
Software / OS Bug
A corrupted charging profile or a bad OS update can disable fast charging protocols — SUPERVOOC, HyperCharge, PD — forcing the phone to fall back to 5W standard charging. A software fix can restore full speed.
Non-Certified Cable or Charger
A cheap cable or charger that doesn't support the phone's fast charging protocol will charge at standard 5W regardless of what the phone supports. Always use the original or certified accessories.
Thermal Throttling
When the phone is too hot, it automatically reduces charging speed to protect the battery. If your phone is always warm while charging, the thermal throttling is slowing the charge — the root cause needs to be fixed.
Slow Charging Fix in 4 Simple Steps
We diagnose the exact cause before recommending any repair — battery, port, IC or software.
Free Slow Charging Diagnosis
Walk in or book online. We test charging port current, charging IC output, cable quality and battery acceptance rate — at zero cost.
Instant Quote
Transparent upfront pricing for your exact model. You approve before we start — no hidden charges.
Battery or Port Repair
Certified technician replaces the degraded battery or cleans/repairs the charging port in 30–45 minutes.
Fast Charge Verified & Handover
Fast charging protocol confirmed working at rated speed — SUPERVOOC, HyperCharge, Apple Fast Charge or Samsung 45W. 6-month warranty.
Software Issue vs Hardware Fault — What's Slowing Your Charge?
Slow charging can be a software fix or a hardware repair. Check the symptoms below — we'll confirm for free during diagnosis.
Possible Software Issue
May not need hardware repair · Free diagnosis
A corrupted charging profile or bad OS update can disable fast charging protocols, forcing the phone to fall back to 5W standard charging. A software fix can restore full speed without any hardware work.
- Fast charging stopped working after an OS update
- Slow charging only happens with a specific cable or charger
- Phone charges normally on a different charger
- Charging speed is inconsistent — sometimes fast, sometimes slow
- Battery health still shows above 85% in settings
- Phone is less than 1 year old
Hardware Fault
Battery or port repair needed · Starting ₹799
A degraded battery cell, damaged charging port or faulty charging IC physically limits the current that can flow — no software fix will restore charging speed. Hardware repair or replacement is required.
- Slow charging happens with every cable and charger tried
- Charging port feels loose or cable doesn't click in firmly
- Phone is 2+ years old and battery was never replaced
- Charging speed has been getting slower over months
- Phone gets warm while charging even at low speeds
- Fast charging was never restored after a drop or water exposure
Not sure which applies to you? Book a free slow charging diagnosis — we'll tell you exactly what's wrong before charging anything.
Swollen Battery Replacement by Brand & Model
Select your brand to see supported models, battery capacity and starting prices.
iPhone 17 Pro Max
A19 Bionic · 4685 mAh
iPhone 17 Pro
A19 Bionic · 3274 mAh
iPhone 17 Plus
A19 Bionic · 4685 mAh
iPhone 17
A19 Bionic · 3561 mAh
iPhone 16 Pro Max
A18 Pro · 4685 mAh
iPhone 16 Pro
A18 Pro · 3582 mAh
Doorstep Pickup & Drop
We collect your device, fix the slow charging issue, and return it — all within 24–48 hours across Bangalore.
Book Pickup →Fast Charge Restored Same Day
Walk in with a slow-charging phone, walk out with full fast charging restored. Diagnosed and fixed in 30–60 minutes.
Get a Quote →8-Point Check Before Every Slow Charging Repair Leaves Our Workshop
We don't hand your phone back until charging speed is confirmed restored. Here's exactly what we test.
Pre-Repair Charging Speed Test
Charging current measured before repair — confirms whether the issue is the battery, port, charging IC or software.
Charging Port Inspection
Port inspected for lint, bent pins or corrosion. Cleaned or replaced if causing resistance that limits charging current.
OEM Cell Verification
Replacement cell verified for correct mAh rating, voltage spec and fast-charge protocol compatibility before installation.
Post-Repair Charging Speed Test
Charging current measured after repair to confirm full fast charging speed is restored at rated wattage.
Fast Charge Protocol Verified
Fast charge protocol confirmed working — SUPERVOOC, HyperCharge, Apple Fast Charge or Samsung 45W — at rated speed.
Thermal Check During Charging
Phone temperature monitored during charging to confirm no overheating from the new cell or repaired charging IC.
Connector & Seal Inspection
Battery connector and back panel adhesive seal inspected and re-applied to prevent moisture ingress after repair.
Full Functional Test
All phone functions — calls, camera, sensors, wireless charging — verified working correctly after repair.
Common Battery Issues — Explained
Real answers to the most common battery problems in Bangalore — written by our repair technicians.
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Swollen Battery Replacement Across All of Bangalore
Walk in to our SP Road store or book doorstep pickup — we cover every major area and pincode in Bangalore. Same-day service available.
Don't see your area? We cover all of Bangalore.
Book Swollen Battery ReplacementFrequently Asked Questions — Slow Charging Repair Bangalore
The most common causes are: a degraded battery cell that accepts charge current slowly, a damaged or lint-blocked charging port reducing current flow, a faulty charging IC limiting output, or a software bug disabling the fast charging protocol. We test all four during free diagnosis before recommending any repair.
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