# NitroPhone **URL:** https://support.nitrokey.com/c/nitrophone/11.md [Latest](https://support.nitrokey.com/latest.md) · [Categories](https://support.nitrokey.com/categories.md) --- ## [Nitrophone 10 Warranty](https://support.nitrokey.com/t/nitrophone-10-warranty/7729)
**Author:** [@Maurice](https://support.nitrokey.com/u/Maurice)\ **Replies:** 1\ **Last updated:** [September 1, 2026, 11:15am UTC](https://support.nitrokey.com/t/nitrophone-10-warranty/7729 "2026-09-01T11:15:35Z")
Hi, I wonder if someone might be able to help me. I returned my Nitrophone 10 under warranty for repair. After some delay in Customs it was received at Teltow about 2-3 weeks ago. My emails do not appear to be getting th… --- ## [Pixel6 permanently restarts](https://support.nitrokey.com/t/pixel6-permanently-restarts/7724)
**Author:** [@wachfo](https://support.nitrokey.com/u/wachfo)\ **Replies:** 7\ **Last updated:** [August 27, 2026, 11:00am UTC](https://support.nitrokey.com/t/pixel6-permanently-restarts/7724 "2026-08-27T11:00:10Z")
Hello dear Support Team, Übersetzt mit DeepL (https://dee.pl/apps) Hallo liebes SupportTeam, Mein Pixel6, welches ich vor ca 5 Jahren bei euch gekauft habe, war die ganze Zeit zuverlässig. Vor einer Stunde startete … --- ## [Fastboot loop: Nitrophone 10](https://support.nitrokey.com/t/fastboot-loop-nitrophone-10/7675)
**Author:** [@Maurice](https://support.nitrokey.com/u/Maurice)\ **Replies:** 0\ **Last updated:** [July 16, 2026, 11:19am UTC](https://support.nitrokey.com/t/fastboot-loop-nitrophone-10/7675 "2026-07-16T11:19:14Z")
Sent this email yesterday. 15 July I’ve shot myself in the foot, again. In present day chess tourneys it is required to switch off your phone during games. (To prevent cheating.) I fear I switched my off during an updat… --- ## [Headset isn't working](https://support.nitrokey.com/t/headset-isnt-working/7649)
**Author:** [@consonancepmc](https://support.nitrokey.com/u/consonancepmc)\ **Replies:** 1\ **Last updated:** [June 15, 2026, 5:22pm UTC](https://support.nitrokey.com/t/headset-isnt-working/7649 "2026-06-15T17:22:40Z")
Hello, I ordered and received a phone without microphone, so I got the AKG headset from your store as well. During the first call I made, there was a notification concerning the microphone. Unfortunately, I just pushed … --- ## [How to perform a factory reset and request repairs](https://support.nitrokey.com/t/how-to-perform-a-factory-reset-and-request-repairs/7610)
**Author:** [@kiyoaki\_yamabi](https://support.nitrokey.com/u/kiyoaki_yamabi)\ **Replies:** 3\ **Last updated:** [May 26, 2026, 7:21pm UTC](https://support.nitrokey.com/t/how-to-perform-a-factory-reset-and-request-repairs/7610 "2026-05-26T19:21:07Z")
Hello. I purchased a Nitrophone 10 and installed TorVPN. After turning on the kill switch, I turned off the power. After that, when I turned it back on, only the “G” logo appeared, the screen was black, and neither the… --- ## [Routing with nitrophone](https://support.nitrokey.com/t/routing-with-nitrophone/7567)
**Author:** [@A4H46fXrFUV85h](https://support.nitrokey.com/u/A4H46fXrFUV85h)\ **Replies:** 0\ **Last updated:** [April 9, 2026, 6:27pm UTC](https://support.nitrokey.com/t/routing-with-nitrophone/7567 "2026-04-09T18:27:17Z")
Any thoughts on making a build of Graphene to support firewall and VPN connections for tethered devices? (Possibly replacing something like nitrowall)? Mobile phone in theory would work just fine as a travel router/firew… --- ## [Product Availability](https://support.nitrokey.com/t/product-availability/7452)
**Author:** [@Airwolf85](https://support.nitrokey.com/u/Airwolf85)\ **Replies:** 1\ **Last updated:** [January 20, 2026, 9:02am UTC](https://support.nitrokey.com/t/product-availability/7452 "2026-01-20T09:02:47Z")
Good Morning Team! I’d like to find out when the Nitrophone 10 Pro XL will be available, with the 1TB storage? The shop page only offers upto 512GB, And yet the product page indicates 1TB is available. --- ## [Nitrophone won't load graphene os](https://support.nitrokey.com/t/nitrophone-wont-load-graphene-os/7350)
**Author:** [@NOOB](https://support.nitrokey.com/u/NOOB)\ **Replies:** 3\ **Last updated:** [November 14, 2025, 9:34am UTC](https://support.nitrokey.com/t/nitrophone-wont-load-graphene-os/7350 "2025-11-14T09:34:41Z")
Hi, i have the nitrophone 4a. i had a graphene os update available and my phone battery died. I plugged it in and my son may have unplugged it while the os was updating. Now i cant load the os. Problem: I plug it in and… --- ## [New Nitrophone Model?](https://support.nitrokey.com/t/new-nitrophone-model/7194)
**Author:** [@Airwolf85](https://support.nitrokey.com/u/Airwolf85)\ **Replies:** 2\ **Last updated:** [September 10, 2025, 8:14pm UTC](https://support.nitrokey.com/t/new-nitrophone-model/7194 "2025-09-10T20:14:42Z")
I would like to know when Nitrokey will offer a “Nitrophone” based on the Pixel 10 Pro XL? Would it be called the “Nitrophone 6 Pro XL”, when it is? --- ## [Online banking on nitrokey phone](https://support.nitrokey.com/t/online-banking-on-nitrokey-phone/5977)
**Author:** [@alessia](https://support.nitrokey.com/u/alessia)\ **Replies:** 1\ **Last updated:** [July 29, 2025, 12:11pm UTC](https://support.nitrokey.com/t/online-banking-on-nitrokey-phone/5977 "2025-07-29T12:11:04Z")
Hi, I am thinking about buying a Nitrokey phone because I look for a safer phone. One of my activities with the cell phone is online banking, I have on it the bank apps, is this a probem? would they run well? Thank you. … --- ## [Logon to spotify not possible](https://support.nitrokey.com/t/logon-to-spotify-not-possible/6742)
**Author:** [@kaemmievision](https://support.nitrokey.com/u/kaemmievision)\ **Replies:** 6\ **Last updated:** [January 20, 2025, 1:45pm UTC](https://support.nitrokey.com/t/logon-to-spotify-not-possible/6742 "2025-01-20T13:45:00Z")
When I want to log in after downloading the spotify app from the play store, the message “Irgendetwas ist schief gelaufen” appears after a while (approx. 15-20 seconds). --- ## [Nitrophone 4 Strange (security warning?!) sounds](https://support.nitrokey.com/t/nitrophone-4-strange-security-warning-sounds/6156)
**Author:** [@Chris1](https://support.nitrokey.com/u/Chris1)\ **Replies:** 0\ **Last updated:** [May 6, 2024, 12:33pm UTC](https://support.nitrokey.com/t/nitrophone-4-strange-security-warning-sounds/6156 "2024-05-06T12:33:03Z")
Hi all, i bought a Nitrophone 4 and after an automatically triggered restart (over night) the phone is making an alarm noise when entering a pin code. This high sound, rings out for around 3 seconds for each input i do… --- ## [Gerät startet nicht mehr/Device no longer starts](https://support.nitrokey.com/t/gerat-startet-nicht-mehr-device-no-longer-starts/6074)
**Author:** [@Andi1](https://support.nitrokey.com/u/Andi1)\ **Replies:** 1\ **Last updated:** [March 28, 2024, 11:27am UTC](https://support.nitrokey.com/t/gerat-startet-nicht-mehr-device-no-longer-starts/6074 "2024-03-28T11:27:35Z")
Nach der Meldung your device is loading a different operating system wird und bleibt es dunkel was kann ich tun? Device no longer starts After the message your device is loading a different operating system it goe… --- ## [About the difference between nitrophone and Google phone](https://support.nitrokey.com/t/about-the-difference-between-nitrophone-and-google-phone/5944)
**Author:** [@Yang](https://support.nitrokey.com/u/Yang)\ **Replies:** 15\ **Last updated:** [February 13, 2024, 2:03pm UTC](https://support.nitrokey.com/t/about-the-difference-between-nitrophone-and-google-phone/5944 "2024-02-13T14:03:10Z")
What’s different between the nitrophone and google Pixel? --- ## ["Apps" missing from home screen](https://support.nitrokey.com/t/apps-missing-from-home-screen/5940)
**Author:** [@daveiverify](https://support.nitrokey.com/u/daveiverify)\ **Replies:** 2\ **Last updated:** [February 12, 2024, 4:26pm UTC](https://support.nitrokey.com/t/apps-missing-from-home-screen/5940 "2024-02-12T16:26:09Z")
I just received my new NitroPhone 4, after setting up my account the Home screen doesn’t have the expected “Apps” from GrapheneOS which would allow me to install GSF and other apps. I managed to install Aurora and F-Dro… --- ## [Nitrophone USB earbud disconnect click](https://support.nitrokey.com/t/nitrophone-usb-earbud-disconnect-click/5527)
**Author:** [@SecureBoot](https://support.nitrokey.com/u/SecureBoot)\ **Replies:** 1\ **Last updated:** [October 28, 2023, 4:01am UTC](https://support.nitrokey.com/t/nitrophone-usb-earbud-disconnect-click/5527 "2023-10-28T04:01:32Z")
I have posted a system trace from developer mode on the Graphene OS Element app (Matrix, user “graphenedating”) chat 10/21. It is not possible to upload .perfetto here. It was suggested to me that I make an issue on GitH… --- ## [Nitrophone "captured photos/videos not found"](https://support.nitrokey.com/t/nitrophone-captured-photos-videos-not-found/5530)
**Author:** [@SecureBoot](https://support.nitrokey.com/u/SecureBoot)\ **Replies:** 1\ **Last updated:** [October 26, 2023, 10:19pm UTC](https://support.nitrokey.com/t/nitrophone-captured-photos-videos-not-found/5530 "2023-10-26T22:19:27Z")
First the USB audio disconnect click bug, now the camera no longer works. Android 14 is trash! When I go to take a picture, no picture is saved and error message appears: “captured photos/videos not found” How do I fix… --- ## [Nitrophone U2F USB C email](https://support.nitrokey.com/t/nitrophone-u2f-usb-c-email/5531)
**Author:** [@SecureBoot](https://support.nitrokey.com/u/SecureBoot)\ **Replies:** 2\ **Last updated:** [October 26, 2023, 10:17pm UTC](https://support.nitrokey.com/t/nitrophone-u2f-usb-c-email/5531 "2023-10-26T22:17:25Z")
Both Proton Mail and Tutanota now offer security key U2F. But something about GOS on Nitrophone doesn’t passthrough the USB keys (whether Yubikey or Nitrokey, whether booted with them inserted or not and if USB permissio… --- ## [GPS and Swisstopo](https://support.nitrokey.com/t/gps-and-swisstopo/5299)
**Author:** [@mtpheru](https://support.nitrokey.com/u/mtpheru)\ **Replies:** 0\ **Last updated:** [July 31, 2023, 7:38am UTC](https://support.nitrokey.com/t/gps-and-swisstopo/5299 "2023-07-31T07:38:32Z")
I use Nitrophone 2a. The location cannot be determined in the swisstopo app. But it can in the Komoot app. What can I do? --- ## [Does the NitroPhone 3 show the Custom OS boot warning?](https://support.nitrokey.com/t/does-the-nitrophone-3-show-the-custom-os-boot-warning/5211)
**Author:** [@Olof](https://support.nitrokey.com/u/Olof)\ **Replies:** 0\ **Last updated:** [June 22, 2023, 3:42pm UTC](https://support.nitrokey.com/t/does-the-nitrophone-3-show-the-custom-os-boot-warning/5211 "2023-06-22T15:42:00Z")
Hello all, Per for example this: A suggestion regarding the yellow boot screen - GrapheneOS Discussion Forum Does the NitroPhone 3 show the “AVB Yellow” warning when the phone boots? If so, is there any workaround or a… --- ## [New Device possible?](https://support.nitrokey.com/t/new-device-possible/4986)
**Author:** [@Airwolf85](https://support.nitrokey.com/u/Airwolf85)\ **Replies:** 2\ **Last updated:** [May 2, 2023, 1:11pm UTC](https://support.nitrokey.com/t/new-device-possible/4986 "2023-05-02T13:11:06Z")
I note that your Nitrophone 3 Pro, uses the Pixel 7 Pro, with the 128GB model. Would it be possible for me to get GrapheneOS installed by your team, but - onto a Pixel 7 Pro 256GB? --- ## [NitroPhone 2a Sale?](https://support.nitrokey.com/t/nitrophone-2a-sale/4905)
**Author:** [@olXMZ2J3c9w41I4CRFpf](https://support.nitrokey.com/u/olXMZ2J3c9w41I4CRFpf)\ **Replies:** 2\ **Last updated:** [March 21, 2023, 12:47pm UTC](https://support.nitrokey.com/t/nitrophone-2a-sale/4905 "2023-03-21T12:47:16Z")
Hi, I saw the NitroPhone 2 & NitroPhone 2 Pro are on Sale. Will there also be a sale for the NitroPhone 2a? I’m looking to buy one with microphones, sensors and front camera physically removed. --- ## [A Letter to Nitrokey Corporation](https://support.nitrokey.com/t/a-letter-to-nitrokey-corporation/4765)
**Author:** [@Yang](https://support.nitrokey.com/u/Yang)\ **Replies:** 5\ **Last updated:** [February 21, 2023, 3:14pm UTC](https://support.nitrokey.com/t/a-letter-to-nitrokey-corporation/4765 "2023-02-21T15:14:43Z")
Nitrokey Corporation: Hello! I don’t know if there are founders of your company who are often active in this forum. To be honest, I have been watching you grow for many years, but as a loyal fan of your company, I still… --- ## [Please looking for the answer](https://support.nitrokey.com/t/please-looking-for-the-answer/4726)
**Author:** [@Mr\_Amsterdam](https://support.nitrokey.com/u/Mr_Amsterdam)\ **Replies:** 2\ **Last updated:** [February 21, 2023, 3:11pm UTC](https://support.nitrokey.com/t/please-looking-for-the-answer/4726 "2023-02-21T15:11:55Z")
Hi Nitrokey-team, on 06 Jul 2022 you confirmed my question by mail, on 11 Jul 2022 a mail with excuse for the waiting and that it should take long for my answer. Since we are neighbours country you can’t get lost, but y… --- ## [Details on removed hardware parts from NitroPhones](https://support.nitrokey.com/t/details-on-removed-hardware-parts-from-nitrophones/4379)
**Author:** [@Blink](https://support.nitrokey.com/u/Blink)\ **Replies:** 3\ **Last updated:** [January 13, 2023, 12:13pm UTC](https://support.nitrokey.com/t/details-on-removed-hardware-parts-from-nitrophones/4379 "2023-01-13T12:13:39Z")
Hi, I would like to purchase a NitroPhone which guarantees no cams but more importantly no sound recording. I would like to have more detailed information on what is removed from the phone to prevent sound capture but … --- ## [Regarding nitrophone,](https://support.nitrokey.com/t/regarding-nitrophone/4671)
**Author:** [@zapper](https://support.nitrokey.com/u/zapper)\ **Replies:** 0\ **Last updated:** [December 27, 2022, 4:06pm UTC](https://support.nitrokey.com/t/regarding-nitrophone/4671 "2022-12-27T16:06:34Z")
are carriers supported, with cmda or lte? Also wondering about calling quality, carrier support, unofficial apks that it supports, doesn’t have to be google’s usual crap. 2FA, which I detest, but some services require … --- ## [Nitrophone 3 pro storage](https://support.nitrokey.com/t/nitrophone-3-pro-storage/4613)
**Author:** [@bluestax](https://support.nitrokey.com/u/bluestax)\ **Replies:** 11\ **Last updated:** [December 8, 2022, 4:55am UTC](https://support.nitrokey.com/t/nitrophone-3-pro-storage/4613 "2022-12-08T04:55:40Z")
Hi, I’m thinking of buying this device but the 128 Gb storage seems small. Original Google device can be bought with 256 Gb. Why is this not the case for the NitroPhone 3 Pro ? Thanks --- ## [Purchased a NitroPhone 2a 3 core Google Play apps not mirrored in Graphene OS repository, greyed out](https://support.nitrokey.com/t/purchased-a-nitrophone-2a-3-core-google-play-apps-not-mirrored-in-graphene-os-repository-greyed-out/4440)
**Author:** [@jacworleo](https://support.nitrokey.com/u/jacworleo)\ **Replies:** 0\ **Last updated:** [September 22, 2022, 2:56pm UTC](https://support.nitrokey.com/t/purchased-a-nitrophone-2a-3-core-google-play-apps-not-mirrored-in-graphene-os-repository-greyed-out/4440 "2022-09-22T14:56:15Z")
I tried downloading the 3 core Google Play apps mirrored in Graphene OS’s repository, but they are greyed out and the eSim is also greyed out. How can I download these files? --- ## [About IMEI number](https://support.nitrokey.com/t/about-imei-number/4317)
**Author:** [@panther](https://support.nitrokey.com/u/panther)\ **Replies:** 3\ **Last updated:** [September 8, 2022, 12:20pm UTC](https://support.nitrokey.com/t/about-imei-number/4317 "2022-09-08T12:20:22Z")
Hello, I’m nitro phone2 user. Can I change IMEI number on the phone? --- ## [Using ESIM with NitroPhone](https://support.nitrokey.com/t/using-esim-with-nitrophone/4351)
**Author:** [@spcmk](https://support.nitrokey.com/u/spcmk)\ **Replies:** 1\ **Last updated:** [August 15, 2022, 9:03am UTC](https://support.nitrokey.com/t/using-esim-with-nitrophone/4351 "2022-08-15T09:03:11Z")
Hello, new here, and contemplating buying a Nitrophone. As I need dual-SIM capability : Has anyone practical experience with using eSIM’s with the Nitrophone? I read some older post in the graphene forums which reported… [Next page](https://support.nitrokey.com/c/nitrophone/11.md?page=1)