Mobile 101

GSM? iSIM? Fair usage policy? Navigating technology means learning a ton of acronyms and terms — but no question shall go unanswered here! We cover everything from the most basic to niche tech and mobile lingo.

Tethering vs. a hotspot: What’s the difference?

Mobile 101

Mar 30, 2026

9 min read

Tethering vs. a hotspot: What’s the difference?

Karolis Pilypas Liutkevičius

Mobile 101

Mar 28, 2026

12 min read

What is an APN (Access Point Name), and how does it work?

Giedrė Palubinskaitė

How to keep your eSIM and erase data: Everything you need to know

Mobile 101

Mar 27, 2026

7 min read

How to keep your eSIM and erase data: Everything you need to know

Ugnė Zieniūtė

EID number: What it is and how to find it on your phone and smartwatch

Mobile 101

Mar 24, 2026

11 min read

EID number: What it is and how to find it on your phone and smartwatch

Karolis Pilypas Liutkevičius

Why is my eSIM not working? Reasons and 15 ways to fix it

Mobile 101

Mar 18, 2026

13 min read

Why is my eSIM not working? Reasons and 15 ways to fix it

Ugnė Zieniūtė

What is tethering, and how does it work?

Mobile 101

Mar 15, 2026

10 min read

What is tethering? How it works and how to activate it

Ugnė Zieniūtė

Why is my cellular data not working? Fixes for iPhone and Android

Mobile 101

Feb 12, 2026

12 min read

Why is my cellular data not working? Quick fixes for 2026

Ugnė Zieniūtė

Is public Wi-Fi safe? What you need to know

Mobile 101

Feb 11, 2026

17 min read

Is public Wi-Fi safe? What you need to know in 2026

Karolis Pilypas Liutkevičius

Do hotspots use data? Everything you need to know

Mobile 101

Nov 26, 2025

17 min read

Do hotspots use data? Everything you need to know

Karolis Pilypas Liutkevičius

SIM swapping explained: What it is, how it works, and how to prevent it

Mobile 101

Oct 15, 2025

14 min read

SIM swapping explained: What it is, how it works, and how to prevent it

Giedrė Palubinskaitė

What is data roaming? Definition, cost, and the ways to turn it on or off on your phone

Mobile 101

Sep 28, 2025

10 min read

What is data roaming? Definition, charges, and how to stay connected abroad

Ugnė Zieniūtė

What is a SIM card, and what does it do?

Mobile 101

Sep 23, 2025

11 min read

What is a SIM card? Types, sizes, and how it works

Giedrė Palubinskaitė