eSIM and physical SIM: what changes when you travel
The SIM row on a spec sheet is often more consequential than the network row. What eSIM changes for travel, dual numbers, and switching phones.
Guides
Original explainers written for this site. They are not copied from other publishers.
Battery health: what wears a phone battery out
Capacity fades with heat and cycles, not with the myths. What actually degrades a battery, what does nothing, and what to do about it.
Foldables: what the spec sheet does not tell you
Creases, hinge wear, dust ratings, battery volume, and repair costs. The trade-offs behind the form factor, stated plainly.
How long phones get software updates, and why it matters
The most important specification that never appears in a hardware table, and how to check it before you buy.
Megapixels versus sensor size: what actually makes a good phone photo
A 200 MP camera does not take 200-megapixel photos. Binning, sensor size, focal lengths, and the processing that matters more than all of them.
Refresh rate: what 120 Hz actually changes
Higher refresh rates make scrolling smoother and cost battery. What LTPO does, why the number on the sheet may not be the number you are running.
What chipset names actually tell you
Snapdragon 8 Elite, Dimensity 9400, Tensor G4, A18 Pro. How to read the naming, and why cross-platform comparisons do not work.
How to compare two phones without reading a review
A repeatable order for putting two spec sheets side by side, and the four differences that usually decide it.
RAM and storage: how much you actually need
12 GB of RAM is not a score to maximise, and the storage tier you pick is the decision most people regret. Here is how to choose both.
Phone charging speeds: watts, wired, wireless, and battery health
100 W looks better than 27 W on a table. Tapering, heat, battery size, and charger-in-box rules all change the real story.
What IP68 and IP48 tell you about water and dust
Ingress Protection ratings are laboratory tests with defined limits. Foldables and slab flagships are not rated the same, and neither rating means what most people assume.
5G and 4G on a spec sheet: what the radio line actually means
GSM, HSPA, LTE, and 5G compressed into one line looks technical and says less than you would think. Here is what a buyer should take from it.
How to read a phone spec sheet without getting misled
Megapixels, charging watts, and IP ratings are the easiest numbers to over-read. Here is a calmer order to scan a specification table.
How AllMobileSpecs lists phone specifications
Why we use one spec layout for every brand, what we refuse to copy, how blank fields work, and what our prices mean.