Moses Johnson

Moses Johnson is the Editorial Director of GeeksChalk.com, who has a keen eye for news, rumors, and all the unusual stuff around Apple products. Moses is commonly referred to online as The Professor, with decades of experience in tech under his belt.
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526 Articles
An iPad with a Home button. An arrows points to the top button.  
Troubleshooting

iPad Won’t Turn Off? Here’s The Fix

In this article, I'll explain why your iPad won't turn off and how to fix…

By Moses Johnson
iPhone 17 Pro shown in a Clear Case.
Troubleshooting

WhatsApp Calling not Working after iOS 26 Update: fix

If you are experiencing difficulty making calls with WhatsApp after installing iOS 26 on your…

By Moses Johnson
Top part of iPhone screen showing "SOS only" in status bar  
Troubleshooting

How to fix Wi-Fi and Cellular Bars Missing on iPhone

The problem is fixable

By Moses Johnson
macOS Tahoe 26 (2025)
Troubleshooting

Mac Mail Stuck on “Downloading Messages” in macOS Tahoe 26? Fix

The problem is fixable

By Moses Johnson
A hand holding an Android smartphone
Troubleshooting

Android Not Seeing and Connecting to iPhone Hotspot, How to Fix

Is Android phone not seeing the iPhone's hotspot hence not connecting to it? In this…

By Moses Johnson
Screenshot showing home app on iPhone
Troubleshooting

iPhone Home App Not Working? Here’s The Fix

If Home app is not working on your iPhone , check out the troubleshooting steps…

By Moses Johnson
iPhone showing a completed payment with Apple Pay.
Troubleshooting

Apple Pay Not Working on iPhone? Here’s The Real Fix

Most Apple Pay issues are easy to fix.

By Moses Johnson
A hand holding iPhone Air, front exterior, side exterior, Sky Blue color, very thin profile, Dynamic Island, buttons: side, Camera Control  
Troubleshooting

iPhone Calculator Not Working? Here’s the fix

Learn what to do if your iPhone calculator is not working.

By Moses Johnson
Cardless NFC and Apple Pay logos  
Guides

Does Walmart Take Apple Pay?

As of 2026, Walmart stores do not accept Apple Pay at in-store checkout

By Moses Johnson
A screenshot of the control center on iPhone
Troubleshooting

Control Center Not Working, Won’t Swipe Down on iPhone

The fix is easy

By Moses Johnson

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