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QR codes
How to find your UPI IDWhere your UPI ID is shown in common payment and banking apps, what its parts mean, and how to check it before you print a payment QR code for your shop.Static and dynamic QR codesThe difference between static and dynamic QR codes, why many free QR sites stop working after a trial, and when a static code is the right choice for a shop.QR code payment safetyCommon QR code payment frauds in India, how fake stickers and "scan to receive" tricks work, and simple checks for shop owners and customers before paying.How to print a UPI QR standSize, paper, colour and printer settings for a shop QR code stand that every phone scans quickly, plus where to put it on the counter.
Internet speed
Mbps vs MBps: why your download looks slower than your planMbps and MB/s differ by eight times. Learn the difference between megabits and megabytes, and how to compare a download bar with your internet plan.What are ping, jitter and latency? A simple guidePing, latency and jitter explained simply: what the numbers in a speed test mean, what is a good ping for gaming and video calls, and how to lower it.How much internet speed do I need? Video, calls, gaming and workHow many Mbps you need for HD and 4K video, video calls, online classes, gaming and work from home, and how much more a whole family needs.Why is my internet slow? 10 fixes that workSlow mobile data or WiFi? Find the cause with a speed test and fix it: data limits, busy towers, router placement, WiFi bands, background apps and more.WiFi 2.4 GHz vs 5 GHz: which band should you use?2.4 GHz WiFi reaches farther; 5 GHz is much faster up close. Learn which band to use in each room, and why your WiFi speed is lower than your plan.How to test your internet speed correctlyGet a speed test result you can trust: what to switch off, where to stand, how many times to test, and why different speed test sites show different numbers.How to complain about slow internet in IndiaSteps to raise a slow internet complaint with Jio, Airtel, Vi, BSNL or your broadband provider, keep a record, and escalate if it is not solved.4G vs 5G in India: what really changesWhat 5G changes compared with 4G in India: speed, ping, coverage indoors, battery and data use, and how to make sure your phone uses 5G.