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Troubleshoot issues related to making and receiving calls on your device for the Coolpad SNAP

This article helps troubleshoot making or receiving calls on your Coolpad Snap

You may have issues with calls if you have:

  • A low signal strength
  • Trouble making or receiving calls
  • Frequently dropped calls

These steps help identify and resolve the underlying cause. After completing each step, test to see if the issue is fixed. If not, continue to the next step.

  1. Verify airplane mode is turned off.

    1. From the home screen, select the OK key.
    2. Select the Settings icon by pressing the OK key.
    3. Select the General settings by pressing the OK key.
    4. Select Airplane mode by pressing the OK key.

      5. Note: The icon is white when enabled.

  2. Verify mobile data is enabled.

    1. From the home screen, select the OK key.
    2. Select the Settings icon by pressing the OK key.
    3. Select the Device by pressing the OK key.
    4. Select the Data usage and Wi-Fi by pressing the OK key.
    5. Select the Data usage by pressing the OK key.
    6. Scroll down and select Mobile data to turn ON by pressing the OK key.

      7. Note: If turning mobile data off, select the mobile data option again.

    7. The mobile data connection is now enabled or disabled.

  3. Verify if coverage is available at your current location.

    If your Coolpad Snap has low signal strength, see if your location is within Sprint voice coverage on the Sprint coverage map.

  4. Reset the network settings.

    Resetting the network settings reconnects your phone to the Sprint network and does not erase any of your content or data.

    1. From the home screen, select the Menu icon by pressing the OK key.
    2. Select the Phone icon by pressing the OK key.
    3. Enter ##72786#.
    4. Tap YES to confirm.
    5. The phone will restart and Hands Free Activation will begin.

  5. Do you know if other Sprint customers are experiencing the same issue in the same location?

    • If yes or you don't know: Please contact Sprint Customer Care for help.
    • If no: Please find the nearest Sprint Repair center and schedule an appointment so a Sprint technician can further diagnose the issue.

    Note: To optimize device performance, be sure your Coolpad Snap is running the most recent device software. Check for software updates.

    If you're still having issues, please contact Sprint Customer Care for more help.

    © 2023 Sprint.com - All Rights Reserved.

    T-Mobile, the T logo, Magenta and the magenta color are registered trademarks of Deutsche Telekom AG.

    Sprint and its logo are registered trademarks of Sprint Communications Company L.P.

    © 2023 Sprint.com - All Rights Reserved.

    T-Mobile, the T logo, Magenta and the magenta color are registered trademarks of Deutsche Telekom AG.

    Sprint and its logo are registered trademarks of Sprint Communications Company L.P.

    Rate Plans

    FOR ALL WIRELESS SERVICE PLANS:

    ** Mo. charges excl. taxes & Surcharges [incl. USF charge of up to 26.5% (varies quarterly), up to $2.99 Admin. & 50¢ Reg. /line/mo.) & fees by area (approx. 5 -20%)]. Surcharges are not taxes. See sprint.com/taxesandfees.

    In stores & on customer service calls, and online orders, $35 Device Connection Charge may be required. 

    AutoPay: $5/mo. discount may not reflect on 1st bill.

    Quality of Svc. (QoS): Quality of Service (QoS): During congestion, heavy data users (>50 GB/mo. for most plans) and customers choosing lower-prioritized plans (i.e. Essentials, 30 GB & 50 GB tablet/MBB) may notice lower speeds than other customers; see plan for details. Smartphone and tablet usage is prioritized over Mobile Hotspot Service (tethering) usage, which may result in higher speeds for data used on smartphones and tablets. Unlimited data on our Network. See sprint.com/networkmanagement for details.

    Usage Limitations: To improve data experience for the majority of users, throughput may be limited, varied or reduced on the network. Sprint may terminate svc. if off-network roaming usage in a mo. exceeds: (1) 800 min. or a majority of min.; or (2) 100MB or a majority of KB. Prohibited network use rules apply—see sprint.com/termsandconditions.

    WIRELESS SERVICE PLANS:

    Sprint ONE/Sprint ONE 55+/Sprint ONE Military General Terms: Credit approval, deposit, and, in stores & on customer service calls, $30 assisted or upgrade support charge may be required. U.S. roaming and on-network data allotments differ: includes 200MB roaming. Unlimited talk & text features for direct communications between 2 people; others (e.g., conference & chat lines, etc.) may cost extra. Unlimited high-speed data US only. In Canada/Mexico, up to 5GB high-speed data then unlimited at up to 128kbps. Not available for hotspots and some other data-first devices. Video streams at up to 1.5Mbps. Optimization may affect speed of video downloads; does not apply to video uploads. For best performance, leave any video streaming applications at their default automatic resolution setting. Sprint with Hulu Offer Terms: Reqs. qualifying Sprint service plan and registration of Hulu account from Sprint phone while on the Sprint network at hulu.com/sprint. Incl. access to one subscription to Hulu (Hulu’s ad-supported plan) per each eligible Sprint account (excl. other Hulu plans and add-ons) while eligible Sprint plan is active and in good standing. Select Hulu content streams in HD on supported devices subject to connectivity. Tablets may stream Hulu content via included Sprint Hot Spot or may subscribe to separate unlimited data plan for tablets. For phones and tablets on a metered plan streaming will pull from monthly allotment. New or returning Hulu subscribers only. Valid also for certain existing Hulu-billed Hulu (Hulu’s ad-supported plan) subscribers (no third-party billed subscribers or premium add-on subscribers); no prorated credit or refund for current Hulu billing month, and remaining credit balances will be forfeited. Excludes CL accounts. Not redeemable or refundable for cash or gift subscriptions. Hulu may place account on inactivity hold based on Hulu usage. Cancel Hulu anytime. Subject to Hulu terms—see hulu.com/terms. Hulu offer made available by Sprint and may be modified or terminated at any time without notice.  Tethering: 5GB high-speed data then unlimited on our network at max 3G speeds. For the small fraction of customers using >50GB/mo., primary data usage must be on smartphone or tablet. Smartphone usage is prioritized over Mobile Hotspot (tethering) usage, which may result in higher speeds for data used on smartphone. AutoPay Pricing for lines 1-10. Without AutoPay, $5 more/line/mo. May not be reflected on 1st bill. Int’l Roaming: Calls from Simple Global countries, including over Wi-Fi, are $.25/min. (no charge for Wi-Fi calls to US, Mexico and Canada). Standard speeds approx. 128Kbps. Not for extended international use; you must reside in the U.S. and primary usage must occur on our network. Device must register on our network before international use. Service may be terminated or restricted for excessive roaming. Coverage not available in some areas; we are not responsible for our partners’ networks.  Gogo: on U.S.-based airlines; Wi-Fi Calling functionality, valid e911 address, & 1 prior Wi-Fi call w/ current SIM card req’d for messaging. Scam Shield: Capable device req’d. Turning on Scam Block might block calls you want; disable any time. Gogo: on U.S.-based airlines; Wi-Fi Calling functionality, valid e911 address, & 1 prior Wi-Fi call w/ current SIM card req’d for messaging. Stateside Int’l Talk: Calls must originate on T-Mobile’s U.S. network or in Canada/Mexico. Rates and included countries vary and may change.

    Sprint MAX/Sprint MAX 55+/Sprint MAX Military General Terms: Credit approval, deposit, and, in stores & on customer service calls, $30 assisted or upgrade support charge may be required. U.S. roaming and on-network data allotments differ: includes 200MB roaming. Unlimited talk & text features for direct communications between 2 people; others (e.g., conference & chat lines, etc.) may cost extra. Unlimited high-speed data US only. In Canada/Mexico, up to 5GB high-speed data then unlimited at up to 128kbps. Not available for hotspots and some other data-first devices. Capable device required for some features. Activation required to deliver video streams at speeds that provide up to Ultra HD video capability (max 4K); some content providers may not stream their services in UHD.  May affect speed of video downloads; does not apply to video uploads. Sprint with Hulu Offer Terms:  Reqs qualifying Sprint service plan and registration of Hulu account from Sprint phone while on the Sprint network at hulu.com/sprint. Incl. access to one subscription to Hulu (Hulu’s ad-supported plan) per each eligible Sprint account (excl. other Hulu plans and add-ons) while eligible Sprint plan is active and in good standing. Select Hulu content streams in HD on supported devices subject to connectivity. Tablets may stream Hulu content via included Sprint Hot Spot or may subscribe to separate unlimited data plan for tablets. For phones and tablets on a metered plan streaming will pull from monthly allotment. New or returning Hulu subscribers only. Valid also for certain existing Hulu-billed Hulu (Hulu’s ad-supported plan) subscribers (no third-party billed subscribers or premium add-on subscribers); no prorated credit or refund for current Hulu billing month, and remaining credit balances will be forfeited. Excludes CL accounts. Not redeemable or refundable for cash or gift subscriptions. Hulu may place account on inactivity hold based on Hulu usage. Cancel Hulu anytime. Subject to Hulu terms—see hulu.com/terms. Hulu offer made available by Sprint and may be modified or terminated at any time without notice. Tethering: 40 GB high-speed data then unlimited on our network at max 3G speeds. Service may be terminated or restricted for excessive roaming. For the small fraction of customers using >50GB/mo., primary data usage must be on smartphone or tablet. Smartphone and tablet usage is prioritized over Mobile Hotspot Service (tethering) usage, which may result in higher speeds for data used on smartphones and tablets. AutoPay Pricing for lines 1-10. Without AutoPay, $5 more/line/mo. May not be reflected on 1st bill. Int’l Roaming: Calls from Simple Global countries, including over Wi-Fi, are $.25/min. (no charge for Wi-Fi calls to US, Mexico and Canada). Standard speeds approx. 128 Kbps. Not for extended international use; you must reside in the U.S. and primary usage must occur on our network. Device must register on our network before international use. Service may be terminated or restricted for excessive roaming. Coverage not available in some areas; we are not responsible for our partners’ networks. Scam Shield: Capable device req’d. Turning on Scam Block might block calls you want; disable any time. Gogo: on U.S.-based airlines; Wi-Fi Calling functionality, valid e911 address, & 1 prior Wi-Fi call w/ current SIM card req’d for messaging. Stateside Int’l Talk: Calls must originate on T-Mobile’s U.S. network or in Canada/Mexico. Rates and included countries vary and may change.

    Sprint Unlimited Premium Plan: Includes unlimited domestic calling, texting, 100GB LTE MHS, VPN & P2P & data. MHS reduced to 3G speeds after 100GB/mo. Third-party content/downloads are add’l charge. Plan not avail. for tablets or MBB devices. Select Int’l svcs are included for phone lines. See sprint.com/globalroaming. Subsidized devices incur an add’l. $25/mo. charge. Must remain on Premium plan for a minimum of 30 days.

    Sprint Unlimited Plus Plan: Includes unlimited domestic calling, texting, 50GB LTE MHS, VPN & P2P & data. MHS reduced to 3G speeds after 50GB/mo. Third-party content/downloads are add’l charge. Plan not avail. for tablets or MBB devices. Select Int’l svcs are included for phone lines. See sprint.com/globalroaming. Subsidized devices incur an add'l. $25/mo. charge.

    Sprint Unlimited Basic Plan: Includes unlimited domestic calling, texting, 500MB LTE MHS, VPN & P2P & data. MHS reduced to 3G speeds after 500MB/mo. Third-party content/downloads are add’l. charge. Plan not avail. for tablets or MBB devices. Select Int’l svcs are included for phone lines. See sprint.com/globalroaming. Subsidized devices incur an add'l. $25/mo. charge.

    Sprint Unlimited 55+ Plan: Reqs. new account activation. Acct holder must be 55 or older. 2 line max. Includes unlimited domestic calling, texting & data with 3G Mobile Hotspot VPN & P2P data. Discounted phones subject to add'l $25/mo./line. Third-party content/downloads are add’l charge. Plan not avail. for tablets/MBB devices. Select Int’l svcs are included see sprint.com/globalroaming.

    Sprint Unlimited Military Plan: Includes unlimited domestic calling, texting, 500MB LTE MHS, VPN & P2P & data. MHS reduced to 3G speeds after 500MB/mo. Third-party content/downloads are add’l. charge. Plan not avail. for tablets or MBB devices. Select Int’l svcs are included for phone lines. See sprint.com/globalroaming. Subsidized devices incur an add'l. $25/mo. charge.

    Unlimited Line on Us Plan: Includes unlimited domestic calling, texting, & data. Third-party content/downloads are add’l. charge. Plan not avail. for tablets or MBB devices. Select Int'l svcs. are included for phone lines with a credit check. See sprint.com/globalroaming. If any lines are deactivated during first 12 months, discount will end. Hold line: line will be charged taxes and fees while being held for future use. Call and cancel hold at any time. Offer not transferrable. Only available to intended recipient.

    2GB Plan: No discounts apply (except AutoPay discounts). Includes unlimited domestic Long Distance calling and texting. Third-party content/downloads are add’l charge. Includes selected allotment of on-network data usage for phone and mobile hotspot use and 100MB off-network data usage. Add’l on-network high-speed data allowance may be purchased at $15/GB. Mobile Hotspot Usage pulls from your data and off-network allowances. High-speed data is access to 3G/4G. Add’l $25 line/mo. applies with subsidized phone until the customer enters into a new device transaction that does not have an annual term service agreement.

    Unlimited Tablet Plan: Video streams at up to 480p+ resolution, music at up to 500 Kbps, streaming cloud gaming at up to 2 Mbps. 10 GB of highspeed MHS VPN and P2P data and unlimited 4G LTE for everything else. Accts. without an active handset will incur $50/mo. charge. Includes unlimited texting on capable tablets and data. Add Unlimited premium resolution streaming for additional $20/ mo./line and get video streams at up to 1080p+, music at up to 1.5 Mbps, gaming at up to 8 Mbps. After the 10 GB, Mobile Hotspot, VPN and P2P usage will be limited to 2G speeds. Third-party content/downloads are add’l charge. Int’l svcs. are not included.

    Watch Unlimited Plan: Music at up to 500 Kbps. While on the Sprint network. Reqs. 1 active handset per watch. Accts. without active handset will receive $10/mo. charge. Includes unlimited calls and texting on capable devices. Third-party content/downloads are add’l charge. Int’l svcs. are not included. Excludes roaming.

    Apple Watch Standalone: Unlimited on US network only. Video streams at up to 1.5 Mbps (480p); may affect speed of video downloads. 3G-speed MHS. No Int'l svcs. Compatible phone required for initial activation.

    Tablet/Mobile Broadband Plans: Credit approval req. Third-party content/downloads are add’l charge. Int’l svcs. are not included. After high-speed data allotment is used, speeds will be reduced to 2G until the end of your bill cycle. Add’l on-network high-speed data allowance may be purchased at $10/2 GB up to 20 GB.

    Data Carryover: Only avail. for on-network domestic data. Unused mo. data allowance from prior mo. rounds up to nearest KB & carries over from mo.-to-mo. Total mo. data allowance, incl. carryover data, is capped at twice the original mo. data allowance. Unused carryover data is not redeemable for cash or credit, is not transferable & expires with plan change. Applies from first full mo. bill cycle.

    Sprint Essentials: Includes unlimited domestic calling, texting, and data, & 3G-speed MHS, VPN & P2P. Third-party content/downloads are add’l. charge. Plan not avail. for tablets or MBB devices. Select Int’l svcs. are included for phone lines with a credit check.

    Sprint Essentials 55+: Reqs. eBill & new account activation. Acct holder must be 55 or older. 2 line max. Includes unlimited domestic calling, texting & data with 3G Mobile Hotspot VPN & P2P data. Discounted phones subject to add'l $25/mo./line. Third-party content/downloads are add’l charge. Plan not avail. for tablets or MBB devices. Select Int’l svcs. are included for phone lines with a credit check.

    DEVICE OFFERS:

    All device offers are for a limited time unless otherwise specified and while supplies last. Credit approval required. Monthly credits for promotional device pricing, where applicable, end at end of term, early termination, early payoff, or upgrade—whichever occurs first.

    5G: Capable device required; coverage not available in some areas. While 5G access won't require a certain plan or feature, some uses/services might. See Coverage details, Terms and Conditions, and Open Internet information for network management details (like video optimization) at T-Mobile.com.

    Watch Offers: Accounts without an active phone line will incur a $14.99/mo. charge.

    Overnight shipping: $14.99: Order by 1 p.m. EST Mon-Fri, get it the next business day. Some models are backordered. See sprint.com/ship for details. If the device you're ordering is backordered, we'll ship your device overnight as soon as it’s available.

    Protection<360>®: Our protection plans must be added within 30 days of activating your device. For more information, visit https://mytmoclaim.com/.

    Other Terms: Offer/coverage not available everywhere or for all phones/networks. May not be combinable with other offers. Accounts that cancel lines within 30 days of activating on promo pricing may void savings. Restrictions apply. See store or sprint.com for details. © 2023 Sprint.com - All Rights Reserved.

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