# FAQ

- [Product Problem](/doc/faq/product-problem.md)
- [How do I choose the right proxy package?](/doc/faq/product-problem/how-do-i-choose-the-right-proxy-package.md)
- [How to target specific countries/regions?](/doc/faq/product-problem/how-to-target-specific-countries-regions.md)
- [How to target a specific city?](/doc/faq/product-problem/how-to-target-a-specific-city.md)
- [Why is it not effective to use our proxies in a fingerprint browser？](/doc/faq/product-problem/why-is-it-not-effective-to-use-our-proxies-in-a-fingerprint-browser.md)
- [1. The proxy does not work at all](/doc/faq/product-problem/why-is-it-not-effective-to-use-our-proxies-in-a-fingerprint-browser/1.-the-proxy-does-not-work-at-all.md)
- [2. The results of other detection channels you are using are not the same as the country extracted](/doc/faq/product-problem/why-is-it-not-effective-to-use-our-proxies-in-a-fingerprint-browser/2.-the-results-of-other-detection-channels-you-are-using-are-not-the-same-as-the-country-extracted.md)
- [3. Your targeted website's detection results are not the same as the country extracted](/doc/faq/product-problem/why-is-it-not-effective-to-use-our-proxies-in-a-fingerprint-browser/3.-your-targeted-websites-detection-results-are-not-the-same-as-the-country-extracted.md)
- [4. The proxy works, but the IP location randomly jumps to other countries you don't want](/doc/faq/product-problem/why-is-it-not-effective-to-use-our-proxies-in-a-fingerprint-browser/4.-the-proxy-works-but-the-ip-location-randomly-jumps-to-other-countries-you-dont-want.md)
- [Payment Problem](/doc/faq/payment-problem.md)
- [What payment methods are supported?](/doc/faq/payment-problem/what-payment-methods-are-supported.md)
- [What should I do if I buy the wrong package?](/doc/faq/payment-problem/what-should-i-do-if-i-buy-the-wrong-package.md)
- [Do you provide refunds for paid services?](/doc/faq/payment-problem/do-you-provide-refunds-for-paid-services.md)
- [After payment, how long does it take to receive my agency balance or activate my account?](/doc/faq/payment-problem/after-payment-how-long-does-it-take-to-receive-my-agency-balance-or-activate-my-account.md)
