
Encrypted-OS
Credit Top Up
$100
Your subscription to the Silent Phone app offers completely secure peer-to-peer communications, but if you also want to protect outgoing calls that you make to non-Silent Phone users, you can buy Silent World minutes to top up your Silent Phone account here.
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Discreet shipping
Authorized reseller
30-day returns
Specifications
- Brand
- Encrypted-OS
- Model
- Credit Top Up
- Type
- Privacy accessory
- Compatibility
- Universal / model-specific
- Warranty
- 12 months
- Credit Top Up
- Choose an option 100 Top Up 500 Top Up 1000 Top Up Clear
Frequently asked
- Is Credit Top Up compatible with my device?
- Compatibility is listed on the spec sheet. If your model isn't listed, ask us before ordering.
- Does Credit Top Up affect touch-screen response?
- No — products in this category are designed to preserve full touch and pen response.
- How is Credit Top Up shipped?
- Discreetly via tracked international courier. Packaging carries no Exotec or product branding.
- Do you ship to my country?
- We ship worldwide except to OFAC-sanctioned jurisdictions. See our Restricted Countries policy for the current list.
- What payment methods do you accept?
- Crypto via NOWPayments, plus card / Apple Pay / Google Pay via Banxa for fiat purchases of cryptocurrency credit.
- Is Credit Top Up authentic?
- Yes. Exotec is an authorized reseller — every Encrypted-OS unit ships sealed with full manufacturer warranty intact.
- Can I expense Credit Top Up as a business purchase?
- Yes — we issue VAT-compliant invoices addressed to your company on request.
- What is the return policy?
- 30-day return window for unopened goods. See our Returns & Refund policy for the full terms.
- Do you offer enterprise procurement?
- Yes. Volume pricing, configuration and deployment support are available — contact sales.



