Get the 2026 WAEC Computer Hardware and GSM Repairs (Paper 2 — Essay and Paper 1 — Objective) questions and answers here. This exam held on Wednesday, 20th May 2026. Scroll down for the question paper images and verified answers. Keep refreshing for updates. 🔥

WAEC 2026 Computer Hardware & GSM Repairs — Question Paper

WAEC 2026 Computer Hardware & GSM Repairs — Answers

Question 1

(1a)(i) — Purposes of Factory Reset Protection (FRP) (Any 2)

• (i) To prevent unauthorized access to the phone after factory reset.
• (ii) To protect personal data and information stored on the device.
• (iii) To discourage phone theft since the thief cannot easily use the phone.
• (iv) To improve the security and privacy of the smartphone owner.

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(1a)(ii) — Steps to set a Pattern Screen Lock on Android (Any 3)

• (i) Open the Settings application on the phone.
• (ii) Scroll down and select Security or Lock Screen.
• (iii) Tap on Screen Lock.
• (iv) Select Pattern from the available lock options.
• (v) Draw the preferred pattern on the grid provided.
• (vi) Confirm the pattern and save it to activate the lock.

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(1b)(i) — What is Collateral?

Collateral is a valuable property or asset pledged by a person to secure a loan for starting or running a GSM phone repair business. If the loan is not repaid, the lender has the right to take the asset.

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(1b)(ii) — Challenges of running a GSM Repair Business (Any 3)

• (i) Lack of adequate capital.
• (ii) Poor technical skills or lack of training.
• (iii) Bad business location.
• (iv) Inadequate repair tools and equipment.
• (v) Poor customer relations or dishonesty.
• (vi) Unstable electricity supply or poor internet network.

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Question 3

(3a)(i) — Components labelled in the diagram

• (i) CPU (Application Processor)
• (ii) Display/Touch Connector
• (iii) Touch IC

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(3a)(ii) — How to fix the faults

• (i) Touch IC fault: Re-soldering (reflowing) or replacing the IC chip.
• (ii) Connector fault: Cleaning the connector with IPA (Isopropyl Alcohol) or re-seating the ribbon cable properly.

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(3b) — Types of Antenna in a Smartphone

• (i) Main Antenna — For cellular signals (LTE/5G).
• (ii) Wi-Fi/Bluetooth Antenna — For short-range wireless connectivity.

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(3c) — Types of Fingerprint Sensors

• (i) Rear-mounted — Located on the back of the device.
• (ii) Side-mounted — Integrated into the power button.
• (iii) In-display (Under-display) — Located beneath the screen.

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Question 6

(6a)(ii) — Component identified

Flex cable / Ribbon cable

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(6b)(i) — Components found at the bottom of a smartphone

• (i) USB/Charging port
• (ii) Microphone
• (iii) Headphone jack

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(6b)(ii) — Type of device shown

Smartphone (Android)

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(6c)(i) — Problems caused by a faulty USB port

• (i) Phone will not charge
• (ii) Data transfer will not work

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(6c)(ii) — Tools needed to replace a USB port

• (i) Screwdriver (Pentalobe/Phillips)
• (ii) Spudger/Pry tool

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(6d)(i) — Battery types labelled X and Y

• (i) X = Li-ion (Lithium-ion) battery
• (ii) Y = Li-Po (Lithium Polymer) battery

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(6d)(ii) — Function of the battery

To store and supply electrical energy to power the mobile phone.

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(6d)(iii) — Symptoms of a faulty battery

• (i) Phone shuts down unexpectedly
• (ii) Battery drains very quickly
• (iii) Phone does not power on

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(6d)(iv) — Advantages of Li-Po over Li-ion

• (i) Lighter and thinner in size
• (ii) Less likely to swell or explode (safer)

(6d)(iv) — Advantages of Li-ion over Li-Po

• (i) Less expensive / cheaper to produce

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