Amazfit
https://de.amazfit.com/pages/garantie-und-ruckgaberecht?gclid=EAIaIQobChMIssir-ZvP9AIVR5BoCR2sDABkEAAYASAAEgKy3_D_BwE

Apple
https://support.apple.com/de-de

ASUS
https://www.asus.com/de/support/article/1043/

AVM
https://business.avm.de/de/inhalt/vertrieb/garantie-austausch/

Belkin
https://www.belkin.com/support/dl/Belkin%20Connected%20Equipment%20Limited%20Warranty%20-%20Wireless%20Chargers%20(DE).pdf

Google
https://support.google.com/product-documentation/troubleshooter/3070579?hl=de#ts=11052496

Huawei
https://consumer.huawei.com/de/support/warranty-policy/

iiyama
https://iiyama.com/de_de/support/

JBL
https://support.jbl.com/de/de/#support

Lenovo
https://support.lenovo.com/de/de

LG
https://www.lg.com/de/support/garantie

Microsoft
https://support.microsoft.com/de-de/warranty

Motorola
https://www.motorola.de/warranty

Nokia
https://www.nokia.com/phones/en_us/support/warranty/nokia-3/DE/de-DE

Oppo
https://support.oppo.com/de/warranty-policy/

Realme
https://www.realme.com/eu/legal/warranty-terms

Samsung
https://www.samsung.com/de/support/warranty/

SoFlow
https://www.soflow.com/de/garantiebedingungen/

Sony
https://services.sony.de/support/de/warranty

Tecno
https://www.tecno-mobile.com/tg/warranty/

Ultimate Ears (UE)
https://support.ultimateears.com/de/ultimate-ears-custom-in-ear-monitor-limited-warranty/

Xiaomi
https://www.mi.com/de/service/warranty?v=0#warrant