Agnisio - a touch to Happiness
Dedicated Repair Procedure · Bangalore

iPhone Battery Replacement Service in Bangalore

When your iPhone battery drops below 80% Maximum Capacity, iOS throttles CPU performance to prevent sudden shutdowns. Agnisio installs certified zero-cycle OEM battery cells in 20 minutes, restoring all-day runtime and factory performance.

Estimated Turnaround
20 Minutes
Service Warranty
6-Month Unconditional Warranty
Free Doorstep Pickup
Available across Bengaluru
Data Protection
Zero data loss guarantee

Common Symptoms

  • Maximum Capacity below 80% with 'Service' notification in iOS Settings
  • iPhone drains from 100% to 20% in just 3 to 4 hours of normal use
  • Phone stutters or lags when opening apps (iOS performance management throttle)
  • Device reboots abruptly when taking photos or playing games
  • Screen lifting up from the frame due to expanding battery cell

Possible Root Causes

  • Chemical aging after exceeding 500 charge cycles
  • Frequent fast-charging in hot temperatures
  • Overnight charging with high-wattage non-MFi adapters
Certified Procedure

How Agnisio Fixes This Problem

01

Battery Health Diagnostic

Checking actual charge cycle count and internal milliohm resistance.

02

Laser Spot-Welding BMS Board Transfer

We micro-weld the original Apple BMS flex board onto the fresh OEM cell so iOS natively reports 100% battery health.

03

OEM Stretch-Release Adhesive Fitment

Securing the new cell with original battery pull-tabs and re-sealing the iPhone.

Compatible Hardware Models

iPhone 16 SeriesiPhone 15 SeriesiPhone 14 SeriesiPhone 13 SeriesiPhone 12 / 11 / X / SE Series
Parent Device Hub:iPhone Repair Overview

Related Hardware Repairs

Available at Our Service Centers or via Free Doorstep Pickup

Walk into our Bommanahalli flagship cleanroom lab or HSR Layout reception, or request free courier collection across 51+ localities in Bengaluru.

Questions & Answers

Frequently Asked Questions

Will my iPhone show 100% battery health after your replacement?

Yes! By transferring the original BMS protection board and resetting cycle counters, your iPhone will show 100% health in Settings.

Ready to book iPhone Battery Replacement?

Book now for 20-minute cleanroom diagnostics or schedule free door-to-door courier pickup across Bengaluru.