Dziwani Phone

Understanding Wi-Fi: Definition and Standards Wi-Fi (officially styled as "Wi-Fi" by the Wi-Fi Alliance) is a wireless networking technology based on  IEEE 802.11 standards  that allows devices to: Connect to the internet without cables Communicate with each other locally Share data and resources wirelessly Key Wi-Fi Generations Standard Year Max Speed Frequency Notable Improvement 802.11b 1999 11 Mbps 2.4 GHz First widely adopted 802.11g 2003 54 Mbps 2.4 GHz Faster speeds 802.11n 2009 600 Mbps 2.4/5 GHz MIMO technology 802.11ac 2013 1.3 Gbps 5 GHz Wider channels 802.11ax (Wi-Fi 6) 2019 9.6 Gbps 2.4/5/6 GHz OFDMA, better efficiency Core Components of Wi-Fi Networks 1. Router: The Network Traffic Director Primary Function : Routes data between networks (typically between your local network and the internet) Key Features : NAT (Network Address Translation) DHCP server Firewall protection Multiple Ethernet ports 2. Access Point (AP): The Wireless Gateway Purpose : Creates a wire...

That Moment When You Realize You Forgot Something Important Just last week, I was helping my friend Michael recover years of WhatsApp conversations after he got a new phone. As I walked him through the process, it hit me - while I'd written extensively about  backing up  WhatsApp chats, I'd never properly documented how to  restore  them! That realization sparked this comprehensive guide, born from countless hours of trial, error, and successful recoveries. Understanding WhatsApp Backup Files: More Than Just Messages Before we dive into restoration, let's understand what we're working with. WhatsApp backups (those .db.crypt12 files) contain: All your text conversations  (including deleted messages if backed up quickly) Media attachments  (though often stored separately) Group chat histories Status updates  (your own and those you've viewed) Call logs  within WhatsApp The ".crypt12" extension indicates these are encrypted files tied specifically to...

The Ultimate Guide to Buying a New Smartphone: How to Make the Right Investment Why Brand New is the Only Way to Go Let me tell you a story about my cousin. Last year, he bought what seemed like a "perfectly good" second-hand flagship phone at half the retail price. Two weeks later, the IMEI got blacklisted - turns out it was stolen property. He lost both his money and the phone. This painful lesson taught me what I now passionately believe:  when it comes to smartphones, brand new is the only smart choice . The Hidden Costs of Used Phones The "Quick Cash" Trap Most sellers are offloading problematic devices. In my experience: 60% have battery degradation (even if they claim "new battery") 30% have liquid damage indicators tripped 20% are tied to unpaid carrier contracts The Security Nightmare I've seen cases where: Previous owners remotely locked devices after sale Malware was pre-installed Stolen phones got blacklisted months after purchase The Warra...