Oppo A78 5G specifications
The Oppo A78 5G (model CPH2483) launched in January 2023 as a value 5G phone, powered by the MediaTek Dimensity 700 with a 6.56-inch FHD+ IPS LCD 90Hz display, a 50MP main camera, a 5000mAh battery and a side-mounted fingerprint.
Body & Build
Dimensions are 163.8 × 75.1 × 8.0 mm at 188 g. Frame with a Panda glass front and plastic back. Flat display; side-mounted fingerprint in the power button.
Display
6.56-inch IPS LCD at 1080 × 2408 (FHD+), 90Hz, up to 600 nits (HBM). A glass + LCD + digitizer assembly.
Platform
MediaTek Dimensity 700 (7nm) with 8GB RAM. Storage: 128GB/256GB. Shipped with Android 13 / ColorOS 13.1.
Cameras
Dual rear — 50MP main (f/1.8, PDAF), 2MP depth. 8MP front camera. 1080p video.
Battery & Charging
5000mAh battery with 33W wired charging (52% in ~30 min), over USB-C 2.0.
Connectivity & Sensors
5G, dual-SIM, Wi-Fi 5, Bluetooth 5.1, GPS. Side-mounted fingerprint, full sensor suite.
Oppo A78 5G repair pricing
Transparent rates. Pay only after the repair works.
| Repair | From |
|---|---|
| Display replacement (full assembly) | ₹2,999 |
| Display — OLED-grade original | ₹4,299 |
| Glass only (front) | ₹1,799 |
| Battery replacement | ₹1,999 |
| Charging port repair | ₹1,399 |
| Speaker repair | ₹999 |
| Microphone repair | ₹999 |
| Button repair | ₹999 |
| Back glass replacement | ₹1,799 |
| Data recovery | ₹1,799 |
| Motherboard repair | ₹2,599 |
| Camera repair | ₹1,699 |
| Camera glass replacement | ₹799 |
| Water damage treatment | ₹1,799 |
| Wi-Fi / network repair | ₹1,699 |
| Software / OS repair | ₹599 |
Prices include genuine-equivalent OEM parts, doorstep service, and a 6-month warranty. Final price confirmed after a free on-site diagnosis.
Why Phone Dudes for Oppo A78 5G
Doorstep service
A technician comes to your home or office anywhere in Bangalore. Watch the repair happen — no drop-off, no waiting at a store.
Same-day, 45–90 min
Most Oppo A78 5G repairs — screen, battery, charging port — are completed on-site the same day.
6-month warranty
Every Oppo A78 5G repair includes a 6-month warranty on parts and labour. No fix, no pay.
Oppo A78 5G repair — frequently asked questions
How much does Oppo A78 5G screen replacement cost in Bangalore?
Oppo A78 5G LCD display replacement starts at ₹2,999. All prices include taxes and free doorstep pickup and drop.
Do you offer a warranty on Oppo A78 5G repairs?
Yes. Every Oppo A78 5G repair includes our free XCare+ warranty for up to 6 months on the replaced part, plus our no-fix-no-pay guarantee.
Where is the fingerprint sensor on the Oppo A78 5G?
It uses a side-mounted fingerprint built into the power button. It does not need display calibration — if the button is replaced we simply reconnect the flex and re-enrol your fingerprint.
Professional Oppo A78 5G repair guide
Professional Oppo A78 5G Repair Guide
The Oppo A78 5G opens from the rear cover. With an IPS LCD and a side-mounted fingerprint, display work is forgiving — there is no under-display sensor to calibrate.
Common Oppo A78 5G Hardware Problems
- Cracked LCD / touch failure
- Battery degradation
- Cracked rear panel
- USB-C / 33W charging failure
- Camera faults
- Side fingerprint/power-button faults
- Water damage
Tools Required
Phillips screwdrivers, plastic picks and opening tools, suction cup, controlled heat, tweezers, SIM tool. Workshop: hot-air station, isopropyl alcohol, display/back-cover adhesive.
Safety First
Power off, discharge below 25%, remove the SIM tray, ESD protection. Use even, controlled heat on the LCD.
Opening the Oppo A78 5G
- Heat the rear cover to soften adhesive.
- Lift the back cover with a suction cup and pick around the edges.
- Disconnect the antenna flex.
- Remove shields and disconnect the battery first.
Display Replacement
The LCD + digitizer is supplied as a glass-with-frame assembly. Seat with fresh adhesive and verify touch and 90Hz. There is no in-display fingerprint to align.
Side Fingerprint / Power Button
The fingerprint sensor is integrated into the power button on the frame. If replaced, reconnect the button flex and re-enrol the fingerprint — no optical calibration is required.
Battery Replacement
Disconnect the battery connector and ease out the adhesive pull-tabs (or apply isopropyl alcohol). Fit without bending and re-seal.
Charging Port (USB-C) Repair
The USB-C port is on a lower daughterboard. Clean first; replace the sub-board if 33W charging fails.
Rear Panel Replacement
The plastic rear panel is adhesive-mounted — heated, lifted and re-adhered.
Water Damage
Power off, don’t charge, act fast. Open, disconnect the battery, ultrasonically clean the board.
Repairability Summary
- Easy: battery, USB-C sub-board, loudspeaker, LCD assembly
- Moderate: rear panel, side fingerprint/power button
- Advanced (lab only): motherboard repair
Most Replaced Oppo A78 5G Parts
LCD display assembly, battery, USB-C sub-board, rear panel, power button/fingerprint flex, loudspeaker.
Post-Repair Testing Checklist
Touch and 90Hz, side fingerprint, cameras, charging, speaker, microphone, Wi-Fi, Bluetooth, SIM.
Last updated June 2026.
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