Mint has long supported activating SIM cards outside the United States, which is useful for many travelers. This article covers two types of activation: the primary SIM card and th...

China’s annual tax refund filing for domestic income has started. Don’t forget about it. Students and lower-income taxpayers in particular may be able to get a meaningful refund ba...

This post was submitted by reader E.W. and edited by KUKU, with the author’s referral link included. Ting and FreedomPop are useful tools for number porting; this article walks thr...

The “three-step authentication” covered in this post applies to babies born in the United States. The steps described here are based on Orange County/Irvine/Southern California, bu...

This excellent promotion is ending soon (12/31). PayPal has not said whether it will be extended next year, and the promotion page is no longer available. If it is not renewed, the...

For Double 12, the Fantuan delivery app has rolled out some steep discounts that have everyone ordering takeout, and new users can now get $25 off through a refer link....

Before we know it, it’s already November, and America’s biggest shopping event of the year—Black Friday—is coming soon!...

[Update 2] In my case, after waiting a few days and logging back into the Fi app, it fixed itself automatically. So the earlier advice on Reddit was correct: B003 means the Google...

Friendly reminder: We have not tested this third-party platform, Gadgetgone, ourselves. Please use your own judgment before deciding whether to use it. Earlier we briefly introduce...

There have been lots of phone deals lately, with plenty of discussion around trade-in strategies. For example, buying Cricket’s iPhone SE2 through the right approach could even net...

WeChat has always been a bellwether in mainland China’s payments sector, including when it comes to using U.S. credit cards: WeChat Pay + U.S. Credit Cards: A Complete Guide + Risk...