Pretoview A55 Pro 4G Dual SIM Unlocked Cell Phone Instruction Manual

1. Introdução

Bem-vindo ao Blackview A55 Pro user manual. This guide provides essential information on how to set up, operate, maintain, and troubleshoot your new Blackview A55 Pro smartphone. Please read this manual carefully to ensure optimal performance and longevity of your device.

O Pretoview A55 Pro is a 4G Dual SIM unlocked cell phone featuring Android 11, a 6.528-inch HD+ display, an Octa-core MediaTek Helio P22 processor, 4GB RAM (expandable to 7GB), 64GB ROM (expandable to 1TB), a 4780mAh battery, 13MP rear camera, 5MP front camera, and Face ID/Fingerprint Unlock capabilities.

2. O que está na caixa

Upon opening your Blackview A55 Pro package, you should find the following items:

• Pretoview A55 Pro Unlocked Android Phone
• Adaptador de carregador
• Cabo USB
• Manual do usuário (este documento)
• Estojo protetor

Imagem: O Pretoview A55 Pro smartphone, showcasinseu design.

Image: All items included in the Blackview A55 Pro retail package.

3. Configuração

3.1 Installing SIM and Micro-SD Cards

O Pretoview A55 Pro supports two Nano SIM cards and one Micro-SD card for expandable storage up to 1TB. To install the cards:

1. Remova cuidadosamente a tampa traseira do telefone.
2. Locate the SIM card slots and Micro-SD card slot.
3. Insert your Nano SIM cards into the designated slots.
4. Insert your Micro-SD card into its slot (if applicable).
5. Recoloque a tampa traseira com segurança.
6. Importante: Restart the phone after inserting the SIM card(s) to ensure proper recognition by the network.

Imagem: Interna view of the phone showing the placement of SIM card slots and the expandable storage slot.

3.2 Ligar/Desligar

• Para ligar: Press and hold the Power button (located on the right side of the device) until the Blackview O logotipo aparece.
• Para desligar: Mantenha pressionado o botão Liga/Desliga até que as opções de energia apareçam na tela e, em seguida, selecione "Desligar".

3.3 Configuração inicial do dispositivo

When you power on your Blackview A55 Pro for the first time, you will be guided through an initial setup process. This includes selecting your language, connecting to Wi-Fi, setting up your Google account, and configuring security features like fingerprint and face unlock.

4. Operando seu dispositivo

4.1 Exibição

O Pretoview A55 Pro features a large 6.528-inch HD+ Waterdrop Screen with a resolution of 720*1600 pixels and a 20:9 aspect ratio. The display offers 400 nits brightness for clear visibility.

Image: The 6.528-inch HD+ display of the Blackview A55 Pro, showcasing sua clareza visual.

4.2 Desempenho e Armazenamento

Powered by an Octa-core MediaTek Helio P22 processor, the A55 Pro ensures smooth multitasking. It comes with 4GB of RAM, which can be expanded virtually to 7GB, and 64GB of internal storage. Storage can be further expanded up to 1TB using a Micro-SD card.

Image: Visual representation of the phone's powerful CPU, RAM, ROM, and expandable storage capabilities.

4.3 Câmera

Capture your moments with the 13MP rear camera and take selfies with the 5MP front camera. The dual-lens system is designed for clear image capture.

Imagem: Detalhada view of the phone's rear and front camera modules.

Bateria 4.4

The device is equipped with a 4780mAh high-capacity battery, providing extended usage for entertainment and productivity throughout the day.

Image: Information on the 4780mAh battery and its long-lasting support.

4.5 Recursos de Segurança

O Pretoview A55 Pro offers both Face Recognition Unlock and Fingerprint Unlock for secure and convenient access to your device. The fingerprint sensor is located on the rear of the phone.

Image: Demonstrating the Face Recognition and Fingerprint Unlock functionalities.

4.6 Operating System and Features

The phone runs on Android 11 with Blackview's Doke OS 2.1, which enhances user experience with various features:

• Gerente de Sistema: Provides all-in-one controls for trash cleaning and battery management.
• Clone Phone: Safely transfers private data from an old device to the new one.
• Artistic Themes: Offers two sets of themes with enriching icons and invigorating wallpapers.
• Cold Room: Freezes apps to prevent background running and save memory.
• Screenshot/Long Screenshot: Easily capture and edit screenshots.
• Dual-window Entertainment: View different content on the same screen simultaneously.

Imagem: Examples of Doke OS 2.1 features in action.

4.7 Sistema de Navegação

O Pretoview A55 Pro integrates a 4-in-1 navigation system, supporting GPS, GLONASS, Beidou, and Galileo for faster and more accurate positioning.

5. Manutenção

To ensure your Blackview A55 Pro remains in optimal condition, follow these maintenance guidelines:

• Limpeza: Use um pano macio e sem fiapos para limpar a tela e a carcaça do telefone. Evite produtos químicos agressivos ou materiais abrasivos.
• Atualizações de software: Verifique e instale regularmente as atualizações do sistema para aproveitar os recursos mais recentes, patches de segurança e melhorias de desempenho. Geralmente, você encontra essa opção em Configurações > Sistema > Atualização do sistema.
• Cuidados com a bateria: Evite temperaturas extremas. Não deixe a bateria descarregar completamente com frequência. Para armazenamento prolongado, carregue a bateria até cerca de 50%.
• Gerenciamento de armazenamento: Limpe periodicamente o desnecessário files and uninstall unused apps to free up storage space and maintain device speed.
• Proteção: Use the provided protective case to guard against drops and scratches.

6. Solução De Problemas

Se você tiver problemas com seu Blackview A55 Pro, try the following solutions:

• Dispositivo não liga: Certifique-se de que a bateria esteja carregada. Conecte o telefone ao carregador e aguarde alguns minutos antes de tentar ligá-lo novamente.
• Aplicativos travando/congelando: Close the problematic app and reopen it. If the issue persists, clear the app's cache and data (Configurações > Aplicativos > [Nome do aplicativo] > Armazenamento > Limpar cache/Limpar dados). As a last resort, uninstall and reinstall the app.
• Conectividade de rede deficiente: Check if your SIM card is properly inserted. Ensure you are within network coverage. Try restarting your device. Verify your network settings (Configurações > Rede e internet > Rede móvel).
• Bateria descarregando rapidamente: Reduce screen brightness, disable unused features like Wi-Fi, Bluetooth, and GPS when not needed. Close background apps. Check battery usage in Configurações> Bateria Identificar aplicativos que consomem muita energia.
• Desbloqueio por impressão digital/reconhecimento facial não funciona: Ensure your fingers are clean and dry for fingerprint unlock. For face unlock, ensure adequate lighting and that your face is clearly visible to the front camera. Re-register your fingerprint or face data if necessary.
• Device Slow Performance: Free up storage space, close unnecessary background apps, and restart your device. Consider using the 'Cold Room' feature in Doke OS 2.1 to manage apps.

If these steps do not resolve your issue, please contact Blackview suporte ao cliente para obter mais assistência.

7. Especificações

8. Garantia e Suporte

Seu Pretoview A55 Pro comes with a standard manufacturer's warranty. For detailed warranty information, please refer to the warranty card included in your product packaging or visit the official Blackview webPara suporte técnico, assistência na resolução de problemas ou dúvidas sobre serviços, entre em contato com a Black.view customer service through their official channels.

Nota importante sobre compatibilidade de rede: O Pretoview A55 Pro smartphone is NOT compatible with AT&T SIM cards or Cricket Wireless SIM cards. It DOES NOT work with CDMA Network Carriers such as Verizon, Sprint, Boost Mobile, Straight Talk, or U.S.Cellular. Please ensure your carrier is supported before use.