Latino families caring for dementia patients face a dual burden that mainstream healthcare often overlooks: elevated rates of depression and distress combined with limited access to culturally appropriate support services. This disparity leaves an estimated 1.2 million Latino dementia caregivers managing intense emotional and practical challenges with minimal institutional backup. A new randomized controlled trial protocol addresses this gap by testing whether bilingual text messaging can deliver meaningful mental health support where traditional services fail to reach. The study will enroll 288 Latino caregivers across four sites, with half receiving a six-month texting intervention focused on dementia education, skill-building exercises, and community resource connections. The program operates asynchronously, allowing caregivers to engage when their demanding schedules permit. Control participants enter a waitlist before receiving the same intervention, creating both comparison data and ensuring all participants eventually benefit. Researchers will measure depression symptoms, caregiver distress, and potential mechanisms driving any improvements at multiple timepoints through seven months. This approach recognizes that effective caregiver interventions must meet families where they are, both linguistically and technologically. Mobile health solutions offer particular promise for Latino communities, where smartphone adoption rates are high but healthcare access remains limited. The trial's focus on scalability could prove crucial—if effective, text-based interventions could reach thousands of isolated caregivers without requiring clinic visits or professional scheduling. However, questions remain about whether brief digital messages can meaningfully impact the complex psychological toll of dementia caregiving, particularly given cultural factors around family obligation and help-seeking behaviors in Latino communities.