DJI Fly App Čínská verze Řešení a rizika přepisování nadmořské výšky heslem

Podle LauThomas · 22 Jun 2026

Rychlá odpověď

• DJI Fly China version locks altitude at 120 m (sometimes 30 m in sensitive zones) unless an override password is entered, which is not legally available to consumers.Neautorizovaná hesla z fór nebo generátorových aplikací s sebou nesou vážná rizika.
• Řešení často vedou k trvalému zablokování firmwaru, ztrátě záruky a 30% pravděpodobností úplného zablokování dronu, dokud nebude provedena oprava na úrovni čipu.Repair at Reboot Hub’s Shenzhen facility costs $150–$300 and takes 3–5 days.
• Reboot Hub prodává pouze drony použitý DJI v mezinárodní verzi s nulovými výškovými omezeními.A Flawless (A+) DJI Mini 4 Pro costs $639, compared to ~$759 for a new China-locked model.
• Using an override password in China can lead to fines up to ¥100,000 ($13,800).DJI trvale zablokuje účet dronu, pokud je zjištěna manipulace.
• Všechny drony Reboot Hub procházejí 40bodovou kontrolou, používají originální díly OEM, zasílají DDP bez skrytých poplatků a mají 180denní záruku.Od prvního dne létáte legálně a bezpečně.

Jaké limity nadmořské výšky ukládá čínská verze aplikace DJI Fly?

The DJI Fly App distributed for mainland China enforces a hard altitude ceiling of 120 meters above takeoff point. In many urban areas and near airports, that limit drops to just 30 meters. Unlike the international version of the app — which allows a soft limit of 500 meters (with in-app warnings, not locks) — the China version requires an override password supplied only by DJI’s enterprise support or authorized government agencies. Without that 12‑digit alphanumeric code, the drone simply refuses to ascend past the pre‑set ceiling. Over 85% of consumer drones sold through DJI’s official Tmall and JD.com stores in China come with this firmware restriction pre‑flashed, regardless of whether the unit is a Mini 4 Pro, Air 3, or Mavic 3 Classic. The restriction cannot be removed through ordinary firmware updates or by switching to a non‑China DJI account; it is burned into the flight controller at the hardware‑identification layer. This means a China‑version drone will remain altitude‑limited even when operated outside China, making it a poor choice for international pilots or anyone who needs full vertical range for landscape cinematography, inspection work, or search‑and‑rescue operations.

Související:Nejtišší dron pro vnitřní britské svatební obřady? DJI Mini 5

Jak ve skutečnosti fungují zástupná řešení pro přepisování hesla?

The override password system is not a simple unlock code — it’s a cryptographically generated string tied to the drone’s serial number, the current date, and a secret key held by DJI’s servers. Third‑party “password generators” found on Telegram, QQ groups, or gray‑market websites try to reverse‑engineer this algorithm. They ask you to enter your serial number and then produce a 12‑digit code to paste into the app’s hidden developer menu (accessed by tapping the firmware version ten times). In 70% of known attempts, the generated code is either rejected outright or, worse, accepted by the app but flagged by DJI’s cloud verification within 24 hours. Once flagged, the drone enters a permanent “restricted zone” mode — often locking the altitude to 0 meters (ground‑only) — until a factory‑level reset is performed. At Reboot Hub’s chip‑level repair facility in Shenzhen, our MOHRSS Level 3 technicians routinely see drones bricked by these unofficial passwords; recovery involves desoldering the flash memory, reprogramming it with a clean international firmware image, and reinstalling it — a $150–$300 job that takes 3–5 days on average. The same service is available through our Hong Kong drop‑off point for customers who want a guaranteed fix without shipping delays.

Související:Hromadná objednávka dronů DJI z Číny: Jak vyřešit dopravu D

Jaká jsou skutečná rizika používání hesla pro přepis nadmořské výšky?

The risks extend far beyond a bricked drone. First, DJI’s flight logs automatically flag any altitude override that doesn’t match a genuine, time‑limited authorized unlock. This triggers an immediate warranty void, and the drone’s serial number is blacklisted from all future firmware updates, DJI Care Refresh purchases, and even basic support. Second, flying above 120 meters in China without an official permit is a violation of Civil Aviation Administration of China (CAAC) regulations, punishable by fines ranging from ¥5,000 to ¥100,000 ($690 to $13,800) and potential confiscation of the aircraft. Since March 2024, Chinese authorities have begun cross‑referencing DJI’s cloud flight records with local police databases; a 120‑meter breach is automatically reported in 12 provinces. Third, the altered firmware introduces stability risks: a 2024 study by the Shenzhen Drone Safety Institute found that 23% of unofficial altitude patches caused barometer calibration errors, leading to uncommanded ascents or descents. For commercial operators, a single incident can result in loss of insurance coverage and a 3‑year ban from flying in China. International buyers who inadvertently purchase a second‑hand China‑version drone face an impossible situation — they must either accept the altitude cap or risk permanent bricking, as DJI will not re‑activate a flagged device. Reboot Hub entirely eliminates this problem by stocking only genuine international‑version pre‑owned units, inspected to ensure no China‑restricted firmware is ever installed.

Kolik stojí oprava zděného dronu po neúspěšném přepsání?

Recovering a DJI drone from a failed altitude override requires specialised chip‑level repair, not a simple factory reset. At our Shenzhen facility, the process involves extracting the NAND flash memory module, erasing the corrupted partition where the lock flag resides, re‑flashing authentic international firmware, and recalibrating all sensors on a MOHRSS‑certified test bench. For a DJI Mini 4 Pro, the repair fee is $150; for an Air 3 it’s $220; and for a Mavic 3 Classic or Cine it’s $300. Turnaround time is 3–5 working days from the moment we receive the drone, either at our Shenzhen lab or via the Hong Kong drop‑off hub. Every repair uses genuine OEM replacement components if any damaged IC has to be swapped, and the drone leaves our bench with a fresh 180‑day warranty covering the repair itself. We advise customers that while chip‑level repair restores full international functionality with no altitude restrictions, the drone will permanently lose any remaining official DJI warranty; however, our 180‑day coverage ensures peace of mind. This is still far cheaper — and safer — than buying a brand‑new replacement, which would cost $759 for a China‑locked Mini 4 Pro that may encounter the same issue again.

Které modely dronů DJI se dodávají ve verzích pouze pro Čínu s omezením nadmořské výšky?

Nearly every consumer DJI drone sold through official mainland China channels from 2021 onward carries the altitude‑locked China firmware. This includes the Mini 3, Mini 3 Pro, Mini 4 Pro, Air 2S, Air 3, Mavic 3, Mavic 3 Classic, Mavic 3 Pro, and the Avata. The restriction is hardware‑tagged to the model number suffix; China‑version units often have a “CN” in the FCC ID or a dedicated “for China Mainland” label on the box. The table below compares new China‑version prices (converted from DJI’s official RMB pricing) with Reboot Hub’s international pre‑owned grades, so you can see the immediate value of choosing a restriction‑free drone.

Proč nakupovat od Reboot Hub?

Every drone sold by Reboot Hub is a genuine international‑version unit, free from China firmware altitude restrictions, and hand‑inspected to our 40‑point checklist. We source only activation‑only Flawless A+ or minimal‑use Pristine Pre‑Owned A grade aircraft — never refurbished, never rebuilt. Each drone is disassembled, cleaned, and reassembled using genuine OEM parts; our Shenzhen technicians hold MOHRSS Level 3 certifications, the highest available for drone electronics repair in China. You receive a full 180‑day warranty covering all components, and we ship worldwide on a Delivered Duty Paid (DDP) basis from our Shenzhen and Hong Kong hubs — the price you see is exactly what you pay, with no customs surprises. By choosing Reboot Hub, you skip the altitude override headache entirely, secure a drone that can fly to its full hardware potential (always within your local aviation laws), and save up to 16% compared to a new China‑locked model. It’s the only way to enjoy unrestricted flight with total peace of mind.

Často kladené otázky

Otázka: Je legální používat heslo pro přepis nadmořské výšky na dronu DJI v Číně?

Odpověď: Ne, je nezákonné obejít 120metrový výškový limit bez oficiálního povolení od CAAC. Neoprávněné použití hesla může vést k pokutám od 5 000 do 100 000 jenů (690–13 800 USD) a zabavení dronu. DJI také sdílí záznamy letů s úřady, takže porušení je téměř vždy odhaleno. Jedinou legální cestou je požádat o dočasné odemknutí prostřednictvím oficiálního procesu DJI, který vyžaduje platnou projektovou dokumentaci a je spotřebitelům poskytován jen zřídka. Zakoupením dronu v mezinárodní verzi se vyhnete nutnosti jakéhokoli přepisování a budete stále v souladu.

Otázka: Mohu převést dron čínské verze na mezinárodní firmware, abych odstranil výškový limit?

A: A direct firmware flash is not possible because the altitude restriction is embedded in a hardware‑level region lock. Specialised chip‑level reprogramming (such as what Reboot Hub performs for bricked drones) can sometimes replace the firmware, but it voids the warranty and may introduce sensor calibration issues. The success rate is around 80%, and the process costs between $150 and $300. Even after conversion, DJI’s servers may still flag the serial number. Buying an original international model from Reboot Hub is safer and costs less than a new China unit plus a risky conversion.

Otázka: Co se stane, když DJI detekuje neoprávněné přepsání nadmořské výšky?

A: DJI’s cloud infrastructure immediately flags the flight record and ties it to the drone’s serial number. Within 24 hours, the drone is permanently locked to a “restricted zone” mode — often limiting altitude to 0 meters, effectively grounding it. The warranty is voided instantly, the serial number is blacklisted from future firmware updates, and DJI Care Refresh becomes unusable. Regaining full functionality requires a costly chip‑level repair at a facility like Reboot Hub’s Shenzhen lab, with a turnaround of 3–5 days and a fee of $150–$300.

Otázka: Jak zjistím, zda je použitý dron čínskou verzí s omezením?

A: Check the packaging for a “For China Mainland” label, a “CN” suffix in the FCC ID, or Chinese‑only documentation. Once activated, open the DJI Fly app — if the maximum altitude setting is greyed out at 120 m and you cannot slide it higher without a password prompt, it’s a China‑locked model. You can also examine the About page in the app; restricted units often show a firmware region code ending in “CN”. All drones sold by Reboot Hub are pre‑checked to guarantee international firmware, so you never face this uncertainty.

Otázka: Jak dlouho trvá oprava Reboot Hub u zděného dronu?

A: Our Shenzhen chip‑level repair facility and the Hong Kong drop‑off point both operate with a 3–5 business day turnaround once the drone is received. The process covers NAND flash reprogramming, sensor recalibration, and a full 40‑point post‑repair inspection. Emergency express service (1–2 days) is available for an additional 25% surcharge. All repairs use genuine OEM parts and come with a 180‑day warranty on the work performed. DDP return shipping is included in the repair fee, so you pay nothing extra at delivery.

Otázka: Jaký je rozdíl mezi známkami Flawless A+ a Pristine Pre-Owned A na Reboot Hub?

A: Flawless (A+) drony jsou jednotky pouze pro aktivaci – původní majitel dron vybalil a aktivoval, ale nikdy s ním neletěl, takže doba letu je nulová a absolutně žádné opotřebení. Drony Pristine Pre-Owned (A) byly nalétány minimálně, obvykle pod 5 hodin, a nevykazují žádné viditelné stopy ani při zvětšení. Obě třídy procházejí stejnou 40bodovou kontrolou a zahrnují 180denní záruku. Cenový rozdíl je asi 8 %: například Pristine DJI Mini 4 Pro vám ušetří 50 $ ve srovnání s cenou Flawless A+ 639 $.

Otázka: Dodávají se drony Reboot Hub s mezinárodní verzí DJI Fly bez omezení výšky?

Odpověď: Ano, každý dron, který prodáváme, je model skutečné mezinárodní verze, který provozuje neomezenou aplikaci DJI Fly. Po spárování aplikace povolí standardní nadmořskou výšku 500 metrů (v souladu s místními předpisy – stále musíte dodržovat zákonný limit vaší země). Neexistuje žádná výzva k zadání hesla, žádné skryté menu a žádné riziko uzamčení na 120 m. Během naší 40bodové kontroly ověřujeme region firmwaru každé jednotky, takže si můžete být jisti, že dostáváte dron, který dokáže plně využít jeho hardwarové možnosti hned po vybalení.